Penousal Machado

Articles

• F. Graça and P. Machado, “Evolving assemblages,” IJART, vol. 8, iss. 2, pp. 167-184, 2015.

  • Bibtex
  @article{gm13,
  author = {Fernando Gra{\c{c}}a and
  Penousal Machado},
  title = {Evolving assemblages},
  journal = {{IJART}},
  volume = {8},
  number = {2},
  pages = {167–184},
  year = {2015},
  url = {http://dx.doi.org/10.1504/IJART.2015.069551},
  doi = {10.1504/IJART.2015.069551},
  timestamp = {Wed, 24 Jun 2015 17:37:50 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/journals/ijart/GracaM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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• P. Cruz, A. Cruz, and P. Machado, “Contiguous Animated Edge-Based Cartograms for Traffic Visualization,” IEEE Computer Graphics and Applications, vol. 35, iss. 5, pp. 76-83, 2015.

  • Bibtex
  @article{ccp15,
  author = {Pedro Cruz and
  Ant\'{o}nio Cruz and
  Penousal Machado},
  title = {Contiguous Animated Edge-Based Cartograms for Traffic Visualization},
  journal = {{IEEE} Computer Graphics and Applications},
  volume = {35},
  number = {5},
  pages = {76–83},
  year = {2015},
  url = {http://doi.ieeecomputersociety.org/10.1109/MCG.2015.108},
  doi = {10.1109/MCG.2015.108},
  timestamp = {Tue, 29 Sep 2015 15:12:52 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/journals/cga/CruzCM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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• G. Greenfield and P. Machado, “Ant- and Ant-Colony-Inspired ALife Visual Art,” Artificial Life, vol. 21, iss. 3, pp. 293-306, 2015.

  • Bibtex
  @article{gm15b,
  author = {Gary Greenfield and
  Penousal Machado},
  title = {Ant- and Ant-Colony-Inspired ALife Visual Art},
  journal = {Artificial Life},
  volume = {21},
  number = {3},
  pages = {293–306},
  year = {2015},
  url = {http://dx.doi.org/10.1162/ARTL_a_00170},
  doi = {10.1162/ARTL_a_00170},
  timestamp = {Fri, 21 Aug 2015 14:24:41 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/journals/alife/GreenfieldM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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• G. Greenfield and P. Machado, “Swarm Art: Curator’s Introduction,” Leonardo, vol. 47, iss. 1, pp. 5-7, 2014.

  • Bibtex
  @article{gm14a,
  author = {Gary Greenfield and Penousal Machado},
  title = {Swarm Art: Curator’s Introduction},
  journal = {Leonardo},
  Month = {2014/03/20},
  Number = {1},
  Pages = {5–7},
  Volume = {47},
  Year = {2014},
  Date-Added = {2014-03-20 13:36:42 +0000},
  Date-Modified = {2014-03-20 13:36:42 +0000},
  Doi = {10.1162/LEON{\_}a{\_}00695},
  Isbn = {0024-094X},
  Url = {http://dx.doi.org/10.1162/LEON_a_00695}
  }
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• T. Barrass, A. Eldridge, G. Greenfield, C. Jacob, P. Machado, N. Monmarché, Y. Semet, F. Durand, U. O’Reilly, D. Shiffman, and P. Urbano, “Gallery Artists,” Leonardo, vol. 47, iss. 1, pp. 8-16, 2014.

  • Bibtex
  @article{gm14b,
  Author = {Barrass, Tim and Eldridge, Alice and Greenfield, Gary and Jacob, Christian and Machado, Penousal and Monmarch\'{e}, Nicolas and Semet, Yann and Durand, Fredo and O’Reilly, Una-May and Shiffman, Daniel and Urbano, Paulo},
  Booktitle = {Leonardo},
  Da = {2014/02/01},
  Date = {2013/11/06},
  Date-Added = {2014-03-20 13:30:34 +0000},
  Date-Modified = {2014-03-20 13:31:05 +0000},
  Doi = {10.1162/LEON{\_}a{\_}00696},
  Isbn = {0024-094X},
  Journal = {Leonardo},
  Number = {1},
  Pages = {8–16},
  Publisher = {MIT Press},
  Title = {Gallery Artists},
  Ty = {JOUR},
  Url = {http://dx.doi.org/10.1162/LEON_a_00696},
  Volume = {47},
  Year = {2014},
  }
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• J. C. Dias, P. Machado, D. C. Silva, and P. H. Abreu, “An Inverted Ant Colony Optimization approach to traffic,” Engineering Applications of Artificial Intelligence, vol. 36, pp. 122-133, 2014.

  • Bibtex
  @article{dmsa14,
  title = "An Inverted Ant Colony Optimization approach to traffic ",
  journal = "Engineering Applications of Artificial Intelligence ",
  volume = "36",
  number = "0",
  pages = "122 – 133",
  year = "2014",
  note = "",
  issn = "0952-1976",
  doi = "http://dx.doi.org/10.1016/j.engappai.2014.07.005",
  url = "http://www.sciencedirect.com/science/article/pii/S0952197614001730",
  author = "Jos\'{e} Capela Dias and Penousal Machado and Daniel Castro Silva and Pedro Henriques Abreu",
  keywords = "Inverted Ant Colony Optimization",
  keywords = "Traffic simulation ",
  }
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• A. Leitão, A. Vinhas, P. Machado, and F. Pereira, “A Genetic Algorithms Approach for Inverse Shortest Path Length Problems,” International Journal of Natural Computing Research (IJNCR), vol. 4, iss. 4, pp. 26-54, 2014.

  • Bibtex
  @article{lvmp14,
  title = "A Genetic Algorithms Approach for Inverse Shortest Path Length Problems",
  journal = "International Journal of Natural Computing Research (IJNCR)",
  volume = "4",
  number = "4",
  pages = "26 – 54",
  year = "2014",
  note = "",
  author = "Ant\'{o}nio Leit\~{a}o and Adriano Vinhas and Penousal Machado and Francisco Pereira",
  }
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• J. Romero, P. Machado, and A. Carballal, “Guest editorial: special issue on biologically inspired music, sound, art and design,” Genetic Programming and Evolvable Machines, vol. 14, iss. 3, pp. 281-286, 2013.

  • Bibtex
  @article{rmc13,
  author = {Juan Romero and Penousal Machado and Adri\'{a}n Carballal},
  title = {Guest editorial: special issue on biologically inspired music, sound, art and design},
  journal = {Genetic Programming and Evolvable Machines},
  volume = {14},
  number = {3},
  year = {2013},
  pages = {281-286},
  ee = {http://dx.doi.org/10.1007/s10710-013-9191-z},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• J. Romero, P. Machado, A. Carballal, and A. Santos, “Using complexity estimates in aesthetic image classification,” Journal of Mathematics and the Arts, vol. 6, iss. 2-3, pp. 125-136, 2012.

  • Bibtex
  @article{jma12,
  author = {Romero, Juan and Machado, Penousal and Carballal, Adri\'{a}n and Santos, Antonino},
  title = {Using complexity estimates in aesthetic image classification},
  journal = {Journal of Mathematics and the Arts},
  volume = {6},
  number = {2-3},
  pages = {125-136},
  year = {2012},
  doi = {10.1080/17513472.2012.679514},
  URL = {http://www.tandfonline.com/doi/abs/10.1080/17513472.2012.679514},
  eprint = {http://www.tandfonline.com/doi/pdf/10.1080/17513472.2012.679514}
  }
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• G. Greenfield and P. Machado, “Guest Editors’ introduction,” Journal of Mathematics and the Arts, vol. 6, iss. 2-3, pp. 59-64, 2012.

  • Bibtex
  @article{gm12a,
  author = {Gary Greenfield and Penousal Machado},
  title = {Guest Editors’ introduction},
  journal = {Journal of Mathematics and the Arts},
  volume = {6},
  number = {2-3},
  pages = {59-64},
  year = {2012},
  }
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• P. Machado and J. Romero, “On Evolutionary Computer-Generated Art,” The Evolutionary Review: Art, Science, Culture, vol. 2, iss. 1, pp. 156-170, 2011.

  • Bibtex
  @article{mr11,
  author = {Penousal Machado and Juan Romero},
  title = {On Evolutionary Computer-Generated Art},
  journal = {The Evolutionary Review: Art, Science, Culture},
  Volume = {2},
  Number = {1},
  pages = {156–170},
  publisher ={Suny press},
  year = 2011,
  }
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• P. Cruz and P. Machado, “Generative Storytelling for Information Visualization,” IEEE Computer Graphics and Applications, vol. 31, iss. 2, pp. 6-11, 2011.

  • Bibtex
  @article{cm11a,
  author = {Pedro Cruz and Penousal Machado},
  title = {Generative Storytelling for Information Visualization},
  journal = {IEEE Computer Graphics and Applications},
  number = {2},
  volume={31},
  pages={6-11},
  year = {2011},
  publisher = {IEEE Computer Society}
  }
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• P. Machado, J. Romero, A. Santos, A. Cardoso, and A. Pazos, “On the development of evolutionary artificial artists,” Computers & Graphics, vol. 31, iss. 6, pp. 818-826, 2007.

  • Bibtex
  @article{mrs+07,
  author = {Penousal Machado and Juan Romero and Antonino Santos and Am\'{i}lcar Cardoso and Alejandro Pazos},
  title = {On the development of evolutionary artificial artists},
  journal = {Computers \& Graphics},
  volume = {31},
  number = {6},
  year = {2007},
  pages = {818-826},
  DOI = {10.1016/j.cag.2007.08.010},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• B. Z. Manaris and P. Machado, “Preface artificial intelligence in music and art,” International Journal on Artificial Intelligence Tools, vol. 15, iss. 4, pp. 491-494, 2006.

  • Bibtex
  @article{mm06b,
  author = {Bill Z. Manaris and Penousal Machado},
  title = {Preface artificial intelligence in music and art},
  journal = {International Journal on Artificial Intelligence Tools},
  volume = {15},
  number = {4},
  year = {2006},
  pages = {491-494},
  DOI = {10.1142/S0218213006002783},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• P. Machado and J. Romero, “CreArt2 — Creative Artificial Artists,” nada, 2005.

  • Bibtex
  @article{nada,
  author = {Penousal Machado and Juan Romero},
  title = {{C}re{A}rt2 — Creative Artificial Artists},
  journal = {nada},
  year = 2005,
  }
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• P. Machado, J. Romero, A. Cardoso, and A. Santos, “Partially Interactive Evolutionary Artists,” New Generation Computing — Special Issue on Interactive Evolutionary Computation, vol. 23, iss. 42, pp. 143-155, 2005.

  • Bibtex
  @article{mrcs05,
  author = {P. Machado and J. Romero and A. Cardoso and A. Santos},
  title = {Partially Interactive Evolutionary Artists},
  Journal = {New Generation Computing — Special Issue on Interactive Evolutionary Computation},
  Editor = {H. Takagi and H. Iba},
  publisher = {Oshama, Springer},
  Volume = {23},
  Number = {42},
  pages = {143-155}, year = {2005}
  }
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• B. Manaris, J. Romero, P. Machado, D. Krehbiel, T. Hirzel, W. Pharr, and R. Davis, “Zipf’s Law, Music Classification and Aesthetics,” Computer Music Journal, vol. 29, iss. 1, pp. 55-69, 2005.

  • Bibtex
  @article{mrm+05,
  author = {Bill Manaris and Juan Romero and Penousal Machado and Dwight Krehbiel and Timothy Hirzel and Walter Pharr and Robert Davis},
  title = {{Zipf}’s Law, Music Classification and Aesthetics},
  Journal = {Computer Music Journal},
  publisher = {Massachusetts Institute of Technology},
  Volume = {29},
  Number = {1},
  pages = {55-69},
  year = {2005}
  }
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• A. Cardoso, C. Bento, P. Machado, and F. C. Pereira, “Darwin and creationism reconciled — When computers should surprise us,” i3 magazine — The European Network for Intelligent Information Interfaces, vol. 1, iss. 12, pp. 20-25, 2002.

  • Bibtex
  @article{cbmp02,
  author = {Am\'{i}lcar Cardoso and Carlos Bento and Penousal Machado and Francisco C. Pereira},
  title = {Darwin and creationism reconciled — When computers should surprise us},
  Journal = {i3 magazine — The European Network for Intelligent Information Interfaces},
  Editor = {Mimo Caenepeel},
  Number = {12},
  Volume = {1},
  pages = {20-25},
  issn = {1297-906X},
  year = {2002}
  }
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• P. Machado, A. Dias, and A. Cardoso, “Learning to Colour Greyscale Images,” The Interdisciplinary Journal of Artificial Intelligence and the Simulation of Behaviour — AISB Journal, vol. 1, iss. 2, pp. 209-219, 2002.

  • Bibtex
  @article{mdc02,
  author = {Machado, P. and Dias, A. and Cardoso, A.},
  title = {Learning to Colour Greyscale Images},
  Journal = {The Interdisciplinary Journal of Artificial Intelligence and the Simulation of Behaviour — AISB Journal},
  Editor = {Geraint Wiggins},
  Volume = {1},
  Number = {2},
  pages = {209-219}, year = {2002}
  }
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• P. Machado and A. Cardoso, “All the truth about NEvAr,” Applied Intelligence, Special Issue on Creative Systems, vol. 16, iss. 2, pp. 101-119, 2002.

  • Bibtex
  @article{mc02,
  author = {Machado, P. and Cardoso, A.},
  title = {All the truth about {NEvAr}},
  Journal = {Applied Intelligence, Special Issue on Creative Systems},
  Editor = {Bentley, P. and Corne, D.},
  publisher = {Kluwer Academic publishers},
  Volume = {16},
  Number = {2},
  pages = {101-119}, year = {2002}
  }
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In Collections

• P. Machado, J. Correia, and F. Assunção, “Graph-Based Evolutionary Art,” in Handbook of Genetic Programming Applications, A. H. Gandomi, A. H. Alavi, and C. Ryan, Eds., Cham: Springer International Publishing, 2015, pp. 3-36.

  • Bibtex
  @incollection{mca15,
  author="Machado, Penousal
  and Correia, Jo\~{a}o
  and Assun\c{c}\~{a}o, Filipe",
  editor="Gandomi, Amir H.
  and Alavi, Amir H.
  and Ryan, Conor",
  title="Graph-Based Evolutionary Art",
  bookTitle="Handbook of Genetic Programming Applications",
  year="2015",
  publisher="Springer International Publishing",
  address="Cham",
  pages="3–36",
  abstract="A graph-based approach for the evolution of Context Free Design Grammars is presented. Each genotype is a directed hierarchical graph and, as such, the evolutionary engine employs graph-based crossover and mutation. We introduce six different fitness functions based on evolutionary art literature and conduct a wide set of experiments. We begin by assessing the adequacy of the system and establishing the experimental parameters. Afterwards, we conduct evolutionary runs using each fitness function individually. Finally, experiments where a combination of these functions is used to assign fitness are performed. Overall, the experimental results show the ability of the system to optimize the considered functions, individually and combined, and to evolve images that have the desired visual characteristics.",
  isbn="978-3-319-20883-1",
  doi="10.1007/978-3-319-20883-1_1",
  url="https://doi.org/10.1007/978-3-319-20883-1_1"
  }
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• A. Leitão and P. Machado, “Mate Choice in Evolutionary Computation,” in Handbook of Genetic Programming Applications, A. H. Gandomi, A. H. Alavi, and C. Ryan, Eds., Cham: Springer International Publishing, 2015, pp. 155-177.

  • Bibtex
  @incollection{lm15,
  author="Leit\~{a}o, Ant\'{o}nio
  and Machado, Penousal",
  editor="Gandomi, Amir H.
  and Alavi, Amir H.
  and Ryan, Conor",
  title="Mate Choice in Evolutionary Computation",
  bookTitle="Handbook of Genetic Programming Applications",
  year="2015",
  publisher="Springer International Publishing",
  address="Cham",
  pages="155–177",
  abstract="Darwin considered two major theories that account for the evolution of species. Natural Selection was described as the result of competition within or between species affecting its individuals relative survival ability, while Sexual Selection was described as the result of competition within species affecting its individuals relative rate of reproduction. This theory emerged from Darwin’s necessity to explain complex ornamentation and behaviour that while being costly to maintain, bring no apparent survival advantages to individuals. Mate Choice is one of the processes described by Darwin’s theory of Sexual Selection as responsible for the emergence of a wide range of characteristics such as the peacock’s tail, bright coloration in different species, certain bird singing or extravagant courtship behaviours. As the theory attracted more and more researchers, the role of Mate Choice has been extensively discussed and backed up by supporting evidence, showing how a force which adapts individuals not to their habitat but to each other can have a strong impact on the evolution of species. While Mate Choice is highly regarded in many research fields, its role in Evolutionary Computation (EC) is still far from being explored and understood. Following Darwin’s ideas on Mate Choice, as well as Fisher’s contributions regarding the heritability of mating preferences, we propose computational models of Mate Choice, which follow three key rules: individuals choose their mating partners based on their perception mechanisms and mating preferences; mating preferences are heritable the same way as any other trait; Mate Choice introduces its own selection pressure but is subjected to selection pressure itself. The use of self-adaptive methods allows individuals to encode their own mating preferences, use them to evaluate mating candidates and pass preferences on to future generations. Self-adaptive Mate Choice also allows evaluation functions to adapt to the problem at hand as well as to the individuals in the population. In this study we show how Genetic Programming (GP) can be used to represent and evolve mating preferences. In our approach the genotype of each individual is composed of two chromosomes encoding: (1) a candidate solution to the problem at hand (2) a mating partner evaluation function. During the reproduction step of the algorithm, the first parent is chosen based on fitness, as in conventional EC approaches; the mating partner evaluation function encoded on the genotype of this individual is then used to evaluate its potential partners and choose a second parent. Being part of the genotype, the evaluation functions are subjected to evolution and there is an evolutionary pressure to evolve adequate mate evaluation functions. We analyze and discuss the impact of this approach on the evolutionary process, showing how valuable and innovative mate evaluation functions, which would unlikely be designed by humans, arise. We also explain how GP non-terminal and terminal sets can be defined in order to allow the representation of mate selection functions. Finally, we show how self-adaptive Mate Choice can be applied in both academic and real world applications, having achieved encouraging results in both cases. Future venues of research are also proposed such as applications on dynamic environments or multi-objective problems.",
  isbn="978-3-319-20883-1",
  doi="10.1007/978-3-319-20883-1_7",
  url="https://doi.org/10.1007/978-3-319-20883-1_7"
  }
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• P. Cruz and P. Machado, “City Portraits and Caricatures,” in Decoding the City: How Big Data Can Change Urbanism, D. Offenhuber and C. Ratti, Eds., Berlin: Birkhauser, 2014, pp. 96-109.

  • Bibtex
  @incollection{cruz-2014tz,
  author = {Cruz, Pedro and Machado, Penousal},
  title = {{City Portraits and Caricatures}},
  booktitle = {Decoding the City: How Big Data Can Change Urbanism},
  year = {2014},
  editor = {Offenhuber, Dietmar and Ratti, Carlo},
  pages = {96–109},
  publisher = {Birkhauser},
  address = {Berlin}
  }
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• P. Cruz and P. Machado, “Stadtportraits und Stadtkarikaturen,” in Die Stadt Entschlusseln: Wie Echtzeitdaten Den Urbanismus Verandern: Wie Echtzeitdaten den Urbanismus verändern, D. Offenhuber and C. Ratti, Eds., Berlin: Birkhauser, 2013, pp. 103-115.

  • Bibtex
  @incollection{cruz-2013tz,
  author = {Cruz, Pedro and Machado, Penousal},
  title = {{Stadtportraits und Stadtkarikaturen}},
  booktitle = {Die Stadt Entschlusseln: Wie Echtzeitdaten Den Urbanismus Verandern: Wie Echtzeitdaten den Urbanismus ver{\"a}ndern},
  year = {2013},
  editor = {Offenhuber, Dietmar and Ratti, Carlo},
  pages = {103–115},
  publisher = {Birkhauser},
  address = {Berlin}
  }
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• J. Romero, P. Machado, A. Carballal, and J. Correia, “Computing Aesthetics with Image Judgement Systems,” in Computers and Creativity, J. McCormack and M. d’Inverno, Eds., Springer Berlin Heidelberg, 2012, pp. 295-322.

  • Bibtex
  @incollection{rmccar,
  author = {Juan Romero and Penousal Machado and Adrian Carballal and Jo\~{a}o Correia},
  title = {Computing Aesthetics with Image Judgement Systems},
  booktitle = {Computers and Creativity},
  editor = {Jon McCormack and Mark d’Inverno},
  publisher={Springer Berlin Heidelberg},
  isbn={978-3-642-31726-2},
  year = {2012},
  doi={10.1007/978-3-642-31727-9_11},
  url={http://dx.doi.org/10.1007/978-3-642-31727-9_11},
  pages={295-322},
  language={English}
  }
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• P. Machado, J. Romero, and B. Manaris, “Experiments in Computational Aesthetics: An Iterative Approach to Stylistic Change in Evolutionary Art,” in The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music, J. Romero and P. Machado, Eds., Springer Berlin Heidelberg, 2007, pp. 381-415.

  • Bibtex
  @incollection{mrm07a,
  author = {Penousal Machado and Juan Romero and Bill Manaris},
  title = {Experiments in Computational Aesthetics: An Iterative Approach to Stylistic Change in Evolutionary Art},
  booktitle = {The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music},
  year = 2007,
  editor = {Juan Romero and Penousal Machado},
  pages = {381-415},
  publisher = {Springer Berlin Heidelberg},
  DOI = {10.1007/978-3-540-72877-1_18}
  }
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• P. Machado and M. Santos, “Computacion Evolutiva y Creatividad,” in Inteligencia Artificial y Computacion Avanzada, J. Romero, C. daFonte, A. Gomez, and P. Machado, Eds., Fundacion Alfredo Brañas, 2007, pp. 147-177.

  • Bibtex
  @incollection{ms07,
  author = {Penousal Machado and Marisa Santos},
  title = {Computacion Evolutiva y Creatividad},
  booktitle = {Inteligencia Artificial y Computacion Avanzada},
  editor = {J. Romero and C. daFonte and A. Gomez and P. Machado},
  year = {2007},
  isbn = {84-934497-0-9},
  pages = {147–177},
  publisher = {Fundacion Alfredo Bra\~{n}as},
  }
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• J. Romero and P. Machado, “book preface,” in The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music, J. Romero and P. Machado, Eds., Springer Berlin Heidelberg, 2007, p. VII-XII.

  • Bibtex
  @incollection{rm07b,
  author = {Juan Romero and Penousal Machado},
  title = {book preface},
  booktitle = {The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music},
  year = 2007,
  editor = {Juan Romero and Penousal Machado},
  pages = {VII-XII},
  publisher = {Springer Berlin Heidelberg}
  }
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• P. Machado, F. B. Pereira, J. Tavares, E. Costa, and A. Cardoso, “Evolutionary Turing Machines — The Quest for Busy,” in Recent Developments in Biologically Inspired Computing, L. N. de Castro and F. V. J. Zuben, Eds., IGI Global, 2004, pp. 9-40.

  • Bibtex
  @incollection{mpt+04,
  author = {Penousal Machado and Francisco B. Pereira and Jorge Tavares and Ernesto Costa and Am\'{i}lcar Cardoso},
  title = {Evolutionary Turing Machines — The Quest for Busy},
  year = {2004},
  booktitle = {Recent Developments in Biologically Inspired Computing},
  editor = {Leandro N. de Castro and Fernando J. Von Zuben},
  pages = {9-40},
  publisher ={IGI Global}
  }
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• A. Cardoso, E. Costa, P. Machado, F. C. Pereira, and P. Gomes, “An architecture for hybrid creative reasoning,” in Soft computing in case based reasoning, S. K. Pal, T. S. Dillon, and D. S. Yeung, Eds., London, UK: Springer-Verlag, 2001, pp. 147-177.

  • Bibtex
  @incollection{ccm+01,
  author = {Cardoso, Am\'{i}lcar and Costa, Ernesto and Machado, Penousal and Pereira, Francisco C. and Gomes, Paulo},
  title = {An architecture for hybrid creative reasoning},
  booktitle = {Soft computing in case based reasoning},
  editor = {Pal, Sankar K. and Dillon, Tharam S. and Yeung, Daniel S.},
  year = {2001},
  isbn = {1-85233-262-X},
  pages = {147–177},
  numpages = {31},
  url = {http://portal.acm.org/citation.cfm?id=357410.357797},
  acmid = {357797},
  publisher = {Springer-Verlag},
  address = {London, UK},
  }
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In Proceedings

• J. M. Cunha, J. Gonçalves, P. Martins, P. Machado, and A. Cardoso, “A Pig, an Angel and a Cactus Walk Into a Blender: A Descriptive Approach to Visual Blending,” in Proceedings of the Eighth International Conference on Computational Creativity (ICCC 2017), 2017.

  • Bibtex
  @inproceedings{cgmmc2017,
  author={Cunha, Jo\~{a}o Miguel and Gon\c{c}alves, Jo\~{a}o and Martins, Pedro and Machado, Penousal and Cardoso, Am\'{i}lcar},
  Booktitle = {Proceedings of the Eighth International Conference on Computational Creativity (ICCC 2017)},
  Title = {A Pig, an Angel and a Cactus Walk Into a Blender: A Descriptive Approach to Visual Blending},
  Year = {2017},
  }
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• T. Martins, J. Correia, E. Costa, and P. Machado, “Evotype: Evolutionary Type Design,” in Evolutionary and Biologically Inspired Music, Sound, Art and Design – 4th International Conference, EvoMUSART 2015, Copenhagen, Denmark, April 8-10, 2015, Proceedings, 2015, pp. 136-147.

  • Bibtex
  @inproceedings{mccm15,
  author = {Tiago Martins and
  Jo{\~{a}}o Correia and
  Ernesto Costa and
  Penousal Machado},
  editor = {Colin Johnson and
  Adri{\'{a}}n Carballal and
  Jo{\~{a}}o Correia},
  title = {Evotype: Evolutionary Type Design},
  booktitle = {Evolutionary and Biologically Inspired Music, Sound, Art and Design
  – 4th International Conference, EvoMUSART 2015, Copenhagen, Denmark,
  April 8-10, 2015, Proceedings},
  series = {Lecture Notes in Computer Science},
  volume = {9027},
  pages = {136–147},
  publisher = {Springer},
  year = {2015},
  url = {http://dx.doi.org/10.1007/978-3-319-16498-4_13},
  doi = {10.1007/978-3-319-16498-4_13},
  timestamp = {Mon, 16 Mar 2015 15:39:55 +0100},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/evoW/MartinsCCM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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  • Link
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  • PDF

• P. Machado, A. Vinhas, J. Correia, and A. Ekárt, “Evolving Ambiguous Images,” in Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, IJCAI 2015, Buenos Aires, Argentina, July 25-31, 2015, 2015, pp. 2473-2479.

  • Bibtex
  @inproceedings{ijcai15a,
  author = {Penousal Machado and
  Adriano Vinhas and
  Jo{\~{a}}o Correia and
  Anik{\'{o}} Ek{\'{a}}rt},
  editor = {Qiang Yang and
  Michael Wooldridge},
  title = {Evolving Ambiguous Images},
  booktitle = {Proceedings of the Twenty-Fourth International Joint Conference on
  Artificial Intelligence, {IJCAI} 2015, Buenos Aires, Argentina, July
  25-31, 2015},
  pages = {2473–2479},
  publisher = {{AAAI} Press},
  year = {2015},
  url = {http://ijcai.org/papers15/Abstracts/IJCAI15-350.html},
  timestamp = {Mon, 20 Jul 2015 19:12:39 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/ijcai/MachadoVCE15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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  • PDF

• A. Cruz, P. Machado, F. Assunção, and A. Leitão, “ELICIT: Evolutionary Computation Visualization,” in Genetic and Evolutionary Computation Conference, GECCO 2015, Madrid, Spain, July 11-15, 2015, Companion Material Proceedings, 2015, pp. 949-956.

  • Bibtex
  @inproceedings{cmal15,
  author = {Ant{\'{o}}nio Cruz and
  Penousal Machado and
  Filipe Assun{\c{c}}{\~{a}}o and
  Ant{\'{o}}nio Leit{\~{a}}o},
  editor = {Juan Luis Jim{\'{e}}nez Laredo and
  Sara Silva and
  Anna Isabel Esparcia{-}Alc{\'{a}}zar},
  title = {{ELICIT:} Evolutionary Computation Visualization},
  booktitle = {Genetic and Evolutionary Computation Conference, {GECCO} 2015, Madrid,
  Spain, July 11-15, 2015, Companion Material Proceedings},
  pages = {949–956},
  publisher = {{ACM}},
  year = {2015},
  url = {http://doi.acm.org/10.1145/2739482.2768443},
  doi = {10.1145/2739482.2768443},
  timestamp = {Fri, 10 Jul 2015 09:41:34 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/gecco/CruzMAL15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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  • Link
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  • PDF

• C. Maçãs, P. Cruz, H. Amaro, E. Polisciuc, T. Carvalho, F. Santos, and P. Machado, “Time-series Application on Big Data – Visualization of Consumption in Supermarkets,” in IVAPP 2015 – Proceedings of the 6th International Conference on Information Visualization Theory and Applications, Berlin, Germany, 11-14 March, 2015., 2015, pp. 239-246.

  • Bibtex
  @inproceedings{vis2015b,
  author = {Catarina Ma{\c{c}}{\~{a}}s and
  Pedro Cruz and
  Hugo Amaro and
  Evgheni Polisciuc and
  Tiago Carvalho and
  Frederico Santos and
  Penousal Machado},
  editor = {Jos{\'{e}} Braz and
  Andreas Kerren and
  Lars Linsen},
  title = {Time-series Application on Big Data – Visualization of Consumption
  in Supermarkets},
  booktitle = {{IVAPP} 2015 – Proceedings of the 6th International Conference on
  Information Visualization Theory and Applications, Berlin, Germany,
  11-14 March, 2015.},
  pages = {239–246},
  publisher = {SciTePress},
  year = {2015},
  url = {http://dx.doi.org/10.5220/0005307702390246},
  doi = {10.5220/0005307702390246},
  timestamp = {Fri, 07 Aug 2015 13:27:15 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/grapp/MacasCAPCSM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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  • Link
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  • PDF

• C. Maçãs, P. Cruz, P. Martins, and P. Machado, “Swarm Systems in the Visualization of Consumption Patterns,” in Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, IJCAI 2015, Buenos Aires, Argentina, July 25-31, 2015, 2015, pp. 2466-2472.

  • Bibtex
  @inproceedings{ijcai15b,
  author = {Catarina Ma{\c{c}}{\~{a}}s and
  Pedro Cruz and
  Pedro Martins and
  Penousal Machado},
  editor = {Qiang Yang and
  Michael Wooldridge},
  title = {Swarm Systems in the Visualization of Consumption Patterns},
  booktitle = {Proceedings of the Twenty-Fourth International Joint Conference on
  Artificial Intelligence, {IJCAI} 2015, Buenos Aires, Argentina, July
  25-31, 2015},
  pages = {2466–2472},
  publisher = {{AAAI} Press},
  year = {2015},
  url = {http://ijcai.org/papers15/Abstracts/IJCAI15-349.html},
  timestamp = {Mon, 20 Jul 2015 19:12:40 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/ijcai/MacasCMM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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• F. Assunção, J. Correia, P. Martins, and P. Machado, “Evolving Families of Shapes,” in Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, IJCAI 2015, Buenos Aires, Argentina, July 25-31, 2015, 2015, pp. 4134-4135.

  • Bibtex
  @inproceedings{ijcai15c,
  author = {Filipe Assun{\c{c}}{\~{a}}o and
  Jo{\~{a}}o Correia and
  Pedro Martins and
  Penousal Machado},
  editor = {Qiang Yang and
  Michael Wooldridge},
  title = {Evolving Families of Shapes},
  booktitle = {Proceedings of the Twenty-Fourth International Joint Conference on
  Artificial Intelligence, {IJCAI} 2015, Buenos Aires, Argentina, July
  25-31, 2015},
  pages = {4134–4135},
  publisher = {{AAAI} Press},
  year = {2015},
  url = {http://ijcai.org/papers15/Abstracts/IJCAI15-580.html},
  timestamp = {Mon, 20 Jul 2015 19:12:40 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/ijcai/AssuncaoCMM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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• E. Polisciuc, P. Cruz, H. Amaro, C. Maçãs, T. Carvalho, F. Santos, and P. Machado, “Arc and Swarm-based Representations of Customer’s Flows among Supermarkets,” in IVAPP 2015 – Proceedings of the 6th International Conference on Information Visualization Theory and Applications, Berlin, Germany, 11-14 March, 2015., 2015, pp. 300-306.

  • Bibtex
  @inproceedings{vis2015a,
  author = {Evgheni Polisciuc and
  Pedro Cruz and
  Hugo Amaro and
  Catarina Ma{\c{c}}{\~{a}}s and
  Tiago Carvalho and
  Frederico Santos and
  Penousal Machado},
  editor = {Jos{\'{e}} Braz and
  Andreas Kerren and
  Lars Linsen},
  title = {Arc and Swarm-based Representations of Customer’s Flows among Supermarkets},
  booktitle = {{IVAPP} 2015 – Proceedings of the 6th International Conference on
  Information Visualization Theory and Applications, Berlin, Germany,
  11-14 March, 2015.},
  pages = {300–306},
  publisher = {SciTePress},
  year = {2015},
  url = {http://dx.doi.org/10.5220/0005316503000306},
  doi = {10.5220/0005316503000306},
  timestamp = {Fri, 07 Aug 2015 13:27:15 +0200},
  biburl = {http://dblp.uni-trier.de/rec/bib/conf/grapp/PolisciucCAMCSM15},
  bibsource = {dblp computer science bibliography, http://dblp.org}
  }
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  • Link
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• T. Martins and P. Machado, “Drawing Sounds,” in xCoAx 2014: Computation Communication Aesthetics and X, Porto, Portugal, 2014, pp. 430-437.

  • Bibtex
  @inproceedings{mm14,
  Address = {Porto, Portugal},
  Author = {Tiago Martins and Penousal Machado},
  Booktitle = {xCoAx 2014: Computation Communication Aesthetics and X},
  Date-Modified = {2015-05-04 22:31:46 +0000},
  Editor = {Miguel Carvalhais and Mario Verdicchio},
  Pages = {430–437},
  Publisher = {University of Porto},
  Title = {Drawing Sounds},
  Type = {Conference Proceedings},
  Year = {2014}}
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• P. Cruz, C. Costa, and P. Machado, “An Ecosystem of Corporate Politicians,” in xCoAx 2014: Computation Communication Aesthetics and X, 2014.

  • Bibtex
  @inproceedings{ccm14,
  author = {Pedro Cruz and C{\'{a}}tia Costa and Penousal Machado},
  title = {An Ecosystem of Corporate Politicians},
  booktitle = {xCoAx 2014: Computation Communication Aesthetics and X},
  year = {2014}
  }
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  • PDF

• P. Machado, T. Martins, H. Amaro, and P. H. Abreu, “An Interface for Fitness Function Design,” in Evolutionary and Biologically Inspired Music, Sound, Art and Design – Third International Conference, EvoMUSART 2014, Granada, Spain, April 23-25, 2014. Proceedings, 2014.

  • Bibtex
  @inproceedings{mmaa14,
  author = {Penousal Machado and Tiago Martins and Hugo Amaro and Pedro H. Abreu},
  title = {An Interface for Fitness Function Design},
  year = {2014},
  editor = {Juan Romero and
  James McDermott and
  Jo{\~{a}}o Correia},
  booktitle = {Evolutionary and Biologically Inspired Music, Sound, Art
  and Design – Third International Conference, EvoMUSART
  2014, Granada, Spain, April 23-25, 2014. Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {8601}
  }
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  • PDF

• P. H. Abreu, H. Amaro, D. C. Silva, P. Machado, and M. H. Abreu, “Personalizing Breast Cancer Patients with Heterogeneous Data,” in The International Conference on Health Informatics, 2014, pp. 39-42.

  • Bibtex
  @inproceedings{hasm14,
  year={2014},
  isbn={978-3-319-03004-3},
  booktitle={The International Conference on Health Informatics},
  volume={42},
  series={IFMBE Proceedings},
  editor={Zhang, Yuan-Ting},
  doi={10.1007/978-3-319-03005-0_11},
  title={Personalizing Breast Cancer Patients with Heterogeneous Data},
  url={http://dx.doi.org/10.1007/978-3-319-03005-0_11},
  publisher={Springer International Publishing},
  keywords={Women Breast Cancer; Patient Personalization; Genetic Algorithm; Clustering Algorithms},
  author={Abreu, Pedro Henriques and Amaro, Hugo and Silva, Daniel Castro and Machado, Penousal and Abreu, Miguel Henriques},
  pages={39-42},
  language={English}
  }
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  • Link
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  • PDF

• P. Machado and J. Correia, “Semantic Aware Methods for Evolutionary Art,” in Genetic and Evolutionary Computation Conference, GECCO ’14, Vancouver, BC, Canada, July 12-16, 2014. Proceedings, 2014.

  • Bibtex
  @inproceedings{mc14,
  author = {Penousal Machado and Jo{\~{a}}o Correia},
  title = {Semantic Aware Methods for Evolutionary Art},
  booktitle = {Genetic and Evolutionary Computation Conference, GECCO ’14,
  Vancouver, BC, Canada, July 12-16, 2014. Proceedings},
  publisher = {ACM},
  year = {2014}
  }
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  • PDF

• H. Amaro, P. H. Abreu, D. C. Silva, P. Machado, M. H. Abreu, and N. Afonso, “Overall Survival Prediction for Women Breast Cancer using Ensemble Methods and Incomplete Clinical Data,” in Proceedings of the XIII Mediterranean Conference on Medical and Biological Engineering and Computing, September 25–28 2013, Sevilla, Spain, 2013.

  • Bibtex
  @inproceedings{misc13b,
  author = "Hugo Amaro and Pedro Henriques Abreu and Daniel Castro Silva and Penousal Machado and Miguel Henriques Abreu and No\'{e}mia Afonso",
  title = "Overall Survival Prediction for Women Breast Cancer using Ensemble Methods and Incomplete Clinical Data",
  booktitle = "Proceedings of the XIII Mediterranean Conference on Medical and Biological Engineering and Computing, September 25–28 2013, Sevilla, Spain",
  year = "2013",
  pages = "",
  month = "September",
  publisher = "",
  }
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  • PDF

• J. C. Dias, P. H. Abreu, D. C. Silva, G. Fernandes, P. Machado, and A. Leitão, “Preparing Data for Urban Traffic Simulation using SUMO,” in SUMO 2013: the First SUMO User Conference, May 15–17 2013, Berlin, Germany, 2013.

  • Bibtex
  @inproceedings{misc13,
  author = "Jos{\'{e}} Capela Dias and Pedro Henriques Abreu and Daniel Castro Silva and Gustavo Fernandes and Penousal Machado and Ant{\'{o}}nio Leit{\~{a}}o",
  title = "Preparing Data for Urban Traffic Simulation using SUMO",
  booktitle = "SUMO 2013: the First SUMO User Conference, May 15–17 2013, Berlin, Germany",
  year = "2013",
  pages = "",
  month = "May",
  publisher = "",
  }
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  • PDF

• J. C. Dias, P. Machado, and F. C. Pereira, “Privacy-Aware Ant Colony Optimization Algorithm for Real Time Route Planning,” in Proceedings of the World Conference on Transport Research, 2013.

  • Bibtex
  @inproceedings{capela13b,
  author = "Jos{\'{e}} Capela Dias and Penousal Machado and Francisco C\^{a}mara Pereira",
  title = "Privacy-Aware Ant Colony Optimization Algorithm for Real Time Route Planning",
  booktitle = "Proceedings of the World Conference on Transport Research",
  year = "2013",
  pages = "",
  month = "May",
  publisher = "",
  }
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  • PDF

• J. C. Dias, P. Machado, and F. C. Pereira, “Simulating the Impact of Drivers’ Personality on City Transit,” in Proceedings of the World Conference on Transport Research, 2013.

  • Bibtex
  @inproceedings{capela13a,
  Author = {Jos{\'{e}} Capela Dias and Penousal Machado and Francisco C\^{a}mara Pereira},
  Booktitle = {Proceedings of the World Conference on Transport Research},
  Month = {May},
  Title = {Simulating the Impact of Drivers’ Personality on City Transit},
  Year = {2013}}
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  • PDF

• A. Alves, J. Rodrigues, P. Correia, P. Machado, and F. C. Pereira, “Constructing route choice maps from GPS traces,” in Proceedings of the World Conference on Transport Research, 2013.

  • Bibtex
  @inproceedings{wctrc,
  author = "Ana Alves and Jo\~{a}o Rodrigues and Pedro Correia and Penousal Machado and Francisco C. Pereira",
  title = "Constructing route choice maps from GPS traces",
  booktitle = "Proceedings of the World Conference on Transport Research",
  year = "2013",
  pages = "",
  month = "May",
  publisher = "",
  }
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  • PDF

• R. Kamolov, P. Machado, and P. Cruz, “Visualizing the flow of users on a wireless network,” in Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings, 2013, p. 114.

  • Bibtex
  @inproceedings{kmc13a,
  author = {Ruslan Kamolov and Penousal Machado and Pedro Cruz},
  title = {Visualizing the flow of users on a wireless network},
  booktitle = {Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings},
  year = {2013},
  pages = {114},
  ee = {http://doi.acm.org/10.1145/2503385.2503510},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  publisher = {ACM},
  isbn = {978-1-4503-2342-0}
  }
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  • PDF

• E. Polisciuc, A. O. Alves, C. Bento, and P. Machado, “Visualizing urban mobility,” in Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings, 2013, p. 115.

  • Bibtex
  @inproceedings{pabm13,
  author = {Evgheni Polisciuc and Ana O. Alves and Carlos Bento and Penousal Machado},
  title = {Visualizing urban mobility},
  booktitle = {Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings},
  year = {2013},
  pages = {115},
  ee = {http://doi.acm.org/10.1145/2503385.2503511},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  publisher = {ACM},
  isbn = {978-1-4503-2342-0}
  }
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  • PDF

• R. Kamolov, P. Machado, and P. Cruz, “Musical flocks,” in Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings, 2013, p. 93.

  • Bibtex
  @inproceedings{kmc13,
  author = {Ruslan Kamolov and Penousal Machado and Pedro Cruz},
  title = {Musical flocks},
  booktitle = {Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings},
  year = {2013},
  pages = {93},
  ee = {http://doi.acm.org/10.1145/2503385.2503487},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  publisher = {ACM},
  isbn = {978-1-4503-2342-0}
  }
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  • PDF

• T. Martins, P. Machado, and A. Rebelo, “The garden of virtual delights: virtual fauna for a botanical garden,” in Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July 21-25, 2013, Poster Proceedings, 2013, p. 26.

  • Bibtex
  @inproceedings{mmr13,
  author = {Tiago Martins and Penousal Machado and Artur Rebelo},
  title = {The garden of virtual delights: virtual fauna for a botanical garden},
  booktitle = {Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’13, Anaheim, CA, USA, July
  21-25, 2013, Poster Proceedings},
  pages = {26},
  ee = {http://doi.acm.org/10.1145/2503385.2503413},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  publisher = {ACM},
  year = {2013},
  isbn = {978-1-4503-2342-0}
  }
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  • PDF

• J. Correia, P. Machado, J. Romero, and A. Carballal, “Evolving Figurative Images Using Expression-Based Evolutionary Art,” in Proceedings of the fourth International Conference on Computational Creativity (ICCC), 2013, pp. 24-31.

  • Bibtex
  @inproceedings{cmrc13b,
  author={Correia, Jo\~{a}o and Machado, Penousal and Romero, Juan and Carballal, Adri\'{a}n },
  title = {Evolving Figurative Images Using Expression-Based Evolutionary Art},
  editors = {Mary L. Maher and Tony Veale and Rob Saunders and Oliver Bown},
  booktitle={Proceedings of the fourth International Conference on Computational Creativity (ICCC)},
  pages = {24-31},
  year={2013},
  }
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  • PDF

• A. Leitão, J. C. Neves, and P. Machado, “A self-adaptive Mate Choice model for Symbolic Regression,” in IEEE Congress on Evolutionary Computation, 2013, pp. 8-15.

  • Bibtex
  @inproceedings{lnm13,
  author = {Ant\'{o}nio Leit\~{a}o and Jose Carlos Neves and Penousal Machado},
  title = {A self-adaptive Mate Choice model for Symbolic Regression},
  booktitle = {IEEE Congress on Evolutionary Computation},
  year = {2013},
  pages = {8-15},
  ee = {http://dx.doi.org/10.1109/CEC.2013.6557547},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  isbn = {978-1-4799-0452-5, 978-1-4799-0453-2},
  ee = {http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6552460},
  }
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  • PDF

• P. Machado and H. Amaro, “Fitness Functions for Ant Colony Paintings,” in Proceedings of the fourth International Conference on Computational Creativity (ICCC), 2013, pp. 32-39.

  • Bibtex
  @inproceedings{ma13,
  author={Penousal Machado and Hugo Amaro},
  title={Fitness Functions for Ant Colony Paintings},
  editors = {Mary L. Maher and Tony Veale and Rob Saunders and Oliver Bown} ,
  booktitle={Proceedings of the fourth International Conference on Computational Creativity (ICCC)},
  pages = {32-39},
  year={2013},
  }
  • |
  • PDF

• J. Correia, P. Machado, J. Romero, and A. Carballal, “Feature Selection and Novelty in Computational Aesthetics,” in Evolutionary and Biologically Inspired Music, Sound, Art and Design – Second International Conference, EvoMUSART 2013, Vienna, Austria, April 3-5, 2013. Proceedings, 2013, pp. 133-144.

  • Bibtex
  @inproceedings{cmrc13,
  author = {Jo\~{a}o Correia and Penousal Machado and Juan Romero and Adri\'{a}n Carballal},
  title = {Feature Selection and Novelty in Computational Aesthetics},
  booktitle = {Evolutionary and Biologically Inspired Music, Sound, Art and Design – Second International Conference, EvoMUSART 2013, Vienna, Austria, April 3-5, 2013. Proceedings},
  year = {2013},
  pages = {133-144},
  ee = {http://dx.doi.org/10.1007/978-3-642-36955-1_12},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  editor = {Penousal Machado and
  James McDermott and
  Adri\'{a}n Carballal},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7834},
  isbn = {978-3-642-36954-4},
  }
  • |
  • PDF

• A. Leitão and P. Machado, “Self-adaptive mate choice for cluster geometry optimization,” in Genetic and Evolutionary Computation Conference, GECCO ’13, Amsterdam, The Netherlands, July 6-10, 2013, 2013, pp. 957-964.

  • Bibtex
  @inproceedings{lm13,
  author = {Ant\'{o}nio Leit\~{a}o and Penousal Machado},
  title = {Self-adaptive mate choice for cluster geometry optimization},
  year = {2013},
  pages = {957-964},
  ee = {http://doi.acm.org/10.1145/2463372.2463494},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  editor = {Christian Blum and Enrique Alba},
  booktitle = {Genetic and Evolutionary Computation Conference, GECCO ’13,
  Amsterdam, The Netherlands, July 6-10, 2013},
  publisher = {ACM},
  isbn = {978-1-4503-1963-8},
  }
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  • PDF

• P. Machado and L. Pereira, “Photogrowth: non-photorealistic renderings through ant paintings,” in Genetic and Evolutionary Computation Conference, GECCO ’12, Philadelphia, PA, USA, July 7-11, 2012, 2012, pp. 233-240.

  • Bibtex
  @inproceedings{mlp12,
  author = {Penousal Machado and Lu\'{i}s Pereira},
  title = {Photogrowth: non-photorealistic renderings through ant paintings},
  editor = {Terence Soule and Jason H. Moore},
  booktitle = {Genetic and Evolutionary Computation Conference, GECCO ’12, Philadelphia, PA, USA, July 7-11, 2012},
  publisher = {ACM},
  year = {2012},
  pages = {233-240},
  ee = {http://doi.acm.org/10.1145/2330163.2330197},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • PDF

• A. Leitão, F. B. Pereira, and P. Machado, “Enhancing cluster geometry optimization with Island Models,” in Proceedings of the IEEE Congress on Evolutionary Computation, CEC 2012, Brisbane, Australia, June 10-15, 2012, 2012, pp. 1-8.

  • Bibtex
  @inproceedings{ml12,
  author = {Ant\'{o}nio Leit\~{a}o and Francisco Baptista Pereira and Penousal Machado},
  title = {Enhancing cluster geometry optimization with Island Models},
  booktitle = {Proceedings of the IEEE Congress on Evolutionary Computation, CEC 2012, Brisbane, Australia, June 10-15, 2012},
  publisher = {IEEE},
  year = {2012},
  pages = {1-8},
  DOI = {10.1109/CEC.2012.6256544},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • Link
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  • PDF

• J. Correia, P. Machado, and J. Romero, “Improving haar cascade classifiers through the synthesis of new training examples,” in Genetic and Evolutionary Computation Conference, GECCO ’12, Philadelphia, PA, USA, July 7-11, 2012, Companion Material Proceedings, 2012, pp. 1479-1480.

  • Bibtex
  @inproceedings{mjc12b,
  author = {Jo\~{a}o Correia and Penousal Machado and Juan Romero},
  title = {Improving haar cascade classifiers through the synthesis of new training examples},
  editor = {Terence Soule and Jason H. Moore},
  booktitle = {Genetic and Evolutionary Computation Conference, GECCO ’12, Philadelphia, PA, USA, July 7-11, 2012, Companion Material Proceedings},
  publisher = {ACM},
  year = {2012},
  pages = {1479-1480},
  ee = {http://doi.acm.org/10.1145/2330784.2331001},
  }
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  • PDF

• L. Duro, P. Machado, and A. Rebelo, “Graphic narratives: generative book covers,” in International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2012, Los Angeles, CA, USA, August 5-9, 2012, Poster Proceedings, 2012, p. 22.

  • Bibtex
  @inproceedings{dmr12,
  author = {L\'{i}gia Duro and Penousal Machado and Artur Rebelo},
  title = {Graphic narratives: generative book covers},
  booktitle = {International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2012, Los Angeles, CA, USA, August 5-9, 2012, Poster Proceedings},
  pages = {22},
  publisher = {ACM},
  year = {2012},
  ee = {http://doi.acm.org/10.1145/2342896.2342925},
  }
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  • PDF

• P. Machado, J. Correia, and J. Romero, “Expression-Based Evolution of Faces,” in Evolutionary and Biologically Inspired Music, Sound, Art and Design – First International Conference, EvoMUSART 2012, Málaga, Spain, April 11-13, 2012. Proceedings, 2012, pp. 187-198.

  • Bibtex
  @inproceedings{mjc12a,
  author = {Penousal Machado and Jo\~{a}o Correia and Juan Romero},
  title = {Expression-Based Evolution of Faces},
  booktitle = {Evolutionary and Biologically Inspired Music, Sound, Art and Design – First International Conference, EvoMUSART 2012, M\'{a}laga, Spain, April 11-13, 2012. Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7247},
  year = {2012},
  pages = {187-198},
  DOI = {10.1007/978-3-642-29142-5_17},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • Link
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  • PDF

• A. Carballal, J. Romero, P. Machado, and M. Pena, “Estudio de conjuntos muestrales usados en clasificación automática de imágenes,” in 6th International Conference on Digital Arts – ARTECH 2012 Faro, Portugal, November 7–9, 2012. Proceedings, 2012, pp. 115-122.

  • Bibtex
  @inproceedings{crmp12,
  author = {Adrian Carballal and Juan Romero and Penousal Machado and Maria Pena},
  title = {Estudio de conjuntos muestrales usados en clasificaci{\'{o}}n autom{\'{a}}tica
  de im{\'{a}}genes},
  editor = {T. Chambel and A. Ariza and G. Perin and M. Tavares and J. Bidarra and M. Figueiredo},
  booktitle = {6th International Conference on Digital Arts – ARTECH 2012 Faro, Portugal, November 7–9, 2012. Proceedings},
  pages = {115-122},
  year = {2012}
  }
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  • PDF

• M. Pena, J. Romero, P. Machado, and A. Carballal, “Probas de validación de Críticos de Arte Artificiais,” in 6th International Conference on Digital Arts – ARTECH 2012 Faro, Portugal, November 7-9, 2012. Proceedings, 2012, pp. 211-217.

  • Bibtex
  @inproceedings{pcmm12,
  author = {Maria Pena and Juan Romero and Penousal Machado and Adrian Carballal},
  title = {Probas de validaci{\'{o}}n de Cr{\'{i}}ticos de Arte Artificiais},
  editor = {T. Chambel and A. Ariza and G. Perin and M. Tavares and J. Bidarra and M. Figueiredo},
  booktitle = {6th International Conference on Digital Arts – ARTECH 2012 Faro, Portugal, November 7-9, 2012. Proceedings},
  pages = {211-217},
  year = {2012}
  }
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  • PDF

• P. Machado, J. Correia, and J. Romero, “Improving Face Detection,” in Genetic Programming – 15th European Conference, EuroGP 2012, Málaga, Spain, April 11-13, 2012. Proceedings, 2012, pp. 73-84.

  • Bibtex
  @inproceedings{mjc12,
  author = {Penousal Machado and Jo\~{a}o Correia and Juan Romero},
  title = {Improving Face Detection},
  booktitle = {Genetic Programming – 15th European Conference, EuroGP 2012, M\'{a}laga, Spain, April 11-13, 2012. Proceedings},
  editor = {Alberto Moraglio and Sara Silva and Krzysztof Krawiec and Penousal Machado and Carlos Cotta},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7244},
  year = {2012},
  pages = {73-84},
  DOI = {10.1007/978-3-642-29139-5_7},
  }
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  • Link
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  • PDF

• P. Cruz and P. Machado, “Visualizing the Circulatory Problems of Lisbon,” in International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2011, Vancouver, Canada, August 7-11, 2011, Poster Proceedings, Vancouver, Canada, 2011.

  • Bibtex
  @inproceedings{cm11b,
  author = {Pedro Cruz and Penousal Machado},
  title = {Visualizing the Circulatory Problems of Lisbon},
  booktitle = {International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2011, Vancouver, Canada, August 7-11, 2011, Poster Proceedings},
  publisher = {ACM},
  address = {Vancouver, Canada},
  month = {August 7 – 11},
  year = {2011},
  }
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  • PDF

• L. Duro, P. Cruz, and P. Machado, “Abstract Ocean Waves,” in International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2011, Vancouver, Canada, August 7-11, 2011, Poster Proceedings, Vancouver, Canada, 2011.

  • Bibtex
  @inproceedings{dcm11,
  author = {L\'{i}gia Duro and Pedro Cruz and Penousal Machado},
  title = {Abstract Ocean Waves},
  booktitle = {International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2011, Vancouver, Canada, August 7-11, 2011, Poster Proceedings},
  publisher = {ACM},
  address = {Vancouver, Canada},
  month = {August 7 – 11},
  year = {2011},
  }
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  • PDF

• J. Romero, P. Machado, A. Carballal, and O. Osorio, “Aesthetic Classification and Sorting Based on Image Compression,” in Applications of Evolutionary Computation – EvoApplications 2011: EvoCOMNET, EvoFIN, EvoHOT, EvoMUSART, EvoSTIM, and EvoTRANSLOG, Torino, Italy, April 27-29, 2011, Proceedings, Part II, 2011, pp. 394-403.

  • Bibtex
  @inproceedings{rmco11,
  author = {Juan Romero and Penousal Machado and Adrian Carballal and Olga Osorio},
  title = {Aesthetic Classification and Sorting Based on Image Compression},
  pages = {394-403},
  editor = {Cecilia Di Chio and Anthony Brabazon and Gianni A. Di Caro and Rolf Drechsler and Muddassar Farooq and J{\"o}rn Grahl and Gary Greenfield and Christian Prins and Juan Romero and Giovanni Squillero and Ernesto Tarantino and Andrea Tettamanzi and Neil Urquhart and A. Sima Etaner-Uyar},
  booktitle = {Applications of Evolutionary Computation – EvoApplications 2011: EvoCOMNET, EvoFIN, EvoHOT, EvoMUSART, EvoSTIM, and EvoTRANSLOG, Torino, Italy, April 27-29, 2011, Proceedings, Part II},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {6625},
  year = {2011},
  }
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  • PDF

• P. Machado and A. Leitão, “Evolving Fitness Functions for Mating Selection,” in Genetic Programming – 14th European Conference, EuroGP 2011, Torino, Italy, April 27-29, 2011. Proceedings, 2011, pp. 227-238.

  • Bibtex
  @inproceedings{ml11,
  author = {Penousal Machado and Ant\'{o}nio Leit\~{a}o},
  title = {Evolving Fitness Functions for Mating Selection},
  pages = {227-238},
  editor = {Sara Silva and James A. Foster and Miguel Nicolau and Penousal Machado and Mario Giacobini},
  booktitle = {Genetic Programming – 14th European Conference, EuroGP 2011, Torino, Italy, April 27-29, 2011. Proceedings },
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {6621},
  year = {2011},
  }
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  • PDF

• P. Cruz and P. Machado, “Visualizing Empires Decline,” in International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2010, Los Angeles, California, USA, July 26-30, 2010, Poster Proceedings, Los Angeles, California, 2010.

  • Bibtex
  @inproceedings{cm10b,
  author = {Pedro Cruz and Penousal Machado},
  title = {Visualizing Empires Decline},
  booktitle = {International Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 2010, Los Angeles, California, USA, July 26-30, 2010, Poster Proceedings},
  publisher = {ACM},
  address = {Los Angeles, California},
  month = {July 26 – 30},
  year = {2010},
  }
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  • PDF

• P. Cruz and P. and Machado, “Visualizing the Portuguese Empire expansion and decline,” in Proc. of the 5th International Conference on Digital Arts, Artech 2010, Guimarães, Portugal, 2010.

  • Bibtex
  @inproceedings{cm10a,
  author = {Pedro Cruz and and Penousal Machado},
  title = {Visualizing the Portuguese Empire expansion and decline},
  booktitle = {Proc. of the 5th International Conference on Digital Arts, Artech 2010},
  year = {2010},
  address = {Guimar\~{a}es, Portugal},
  }
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  • PDF

• P. Machado, H. Nunes, and J. Romero, “Graph-Based Evolution of Visual Languages,” in Applications of Evolutionary Computation, EvoApplications 2010: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoMUSART, and EvoTRANSLOG, Istanbul, Turkey, April 7-9, 2010, Proceedings, Part II, 2010, pp. 271-280.

  • Bibtex
  @inproceedings{mnr10,
  author = {Penousal Machado and Henrique Nunes and Juan Romero},
  title = {Graph-Based Evolution of Visual Languages},
  booktitle = {Applications of Evolutionary Computation, EvoApplications 2010: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoMUSART, and EvoTRANSLOG, Istanbul, Turkey, April 7-9, 2010, Proceedings, Part II},
  pages = {271-280},
  editor = {Cecilia Di Chio and Anthony Brabazon and Gianni A. Di Caro and Marc Ebner and Muddassar Farooq and Andreas Fink and J{\"o}rn Grahl and Gary Greenfield and Penousal Machado and Michael O’Neill and Ernesto Tarantino and Neil Urquhart},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {6025},
  year = {2010},
  isbn = {978-3-642-12241-5},
  DOI = {10.1007/978-3-642-12242-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • Link
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• P. Machado and H. Nunes, “A Step Towards the Evolution of Visual Languages,” in First International Conference on Computational Creativity, Lisbon, Portugal, 2010.

  • Bibtex
  @inproceedings{mn10,
  author = {Penousal Machado and Henrique Nunes},
  title = {A Step Towards the Evolution of Visual Languages},
  booktitle = { First International Conference on Computational Creativity },
  year = {2010},
  address = {Lisbon, Portugal},
  }
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  • PDF

• P. Machado, “Expressions, Assemblages and Grammars,” in Bridges Conference Proceedings, Pécs, Hungary, 2010.

  • Bibtex
  @inproceedings{mac10,
  author = {Penousal Machado},
  title = {Expressions, Assemblages and Grammars},
  booktitle = {Bridges Conference Proceedings},
  year = {2010},
  address = {P\'{e}cs, Hungary},
  }
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  • PDF

• A. Martins, G. Neto, R. de Lemos, P. Machado, and A. Salvador, “WikiModels: a platform for collaborative development of biochemical models,” in VII Iberoamerican Congress of Biophysics, Rio de Janeiro. Brasil, 2009.

  • Bibtex
  @inproceedings{mndl+09,
  author = {Alexandre Martins and Gon\c{c}alo Neto and Rog\'{e}rio de Lemos and Penousal Machado and Armindo Salvador},
  title = {{WikiModels}: a platform for collaborative development of biochemical models},
  booktitle = {VII Iberoamerican Congress of Biophysics},
  year = {2009},
  address = {Rio de Janeiro. Brasil},
  }
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  • PDF

• J. Romero, P. Machado, and A. Santos, “On the Socialization of Evolutionary Art,” in Applications of Evolutionary Computing, EvoWorkshops 2009: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoGAMES, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, EvoNUM, EvoSTOC, EvoTRANSLOG, Tübingen, Germany, April 15-17, 2009. Proceedings, 2009, pp. 557-566.

  • Bibtex
  @inproceedings{rms09,
  author = {Juan Romero and Penousal Machado and Antonino Santos},
  title = {On the Socialization of Evolutionary Art},
  booktitle = {Applications of Evolutionary Computing, EvoWorkshops 2009: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoGAMES, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, EvoNUM, EvoSTOC, EvoTRANSLOG, T{\"u}bingen, Germany, April 15-17, 2009. Proceedings},
  editor = {Mario Giacobini and Anthony Brabazon and Stefano Cagnoni and Gianni A. Di Caro and Anik\'{o} Ek\'{a}rt and Anna Esparcia-Alc\'{a}zar and Muddassar Farooq and Andreas Fink and Penousal Machado and Jon McCormack and Michael O’Neill and Ferrante Neri and Mike Preuss and Franz Rothlauf and Ernesto Tarantino and Shengxiang Yang},
  year = {2009},
  pages = {557-566},
  DOI= {10.1007/978-3-642-01129-0_62},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {5484},
  isbn = {978-3-642-01128-3},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • Link
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  • PDF

• A. Martins, G. Neto, P. Machado, and A. Salvador, “WikiModels: A Web-based Platform for Collaborative Development of Kinetic Models,” in Jornadas de Bioinformática, Lisbon, Portugal, 2009.

  • Bibtex
  @inproceedings{mnms09,
  author = {Alexandre Martins and Gon\c{c}alo Neto and Penousal Machado and Armindo Salvador},
  title = {{WikiModels}: A Web-based Platform for Collaborative Development of Kinetic Models},
  booktitle = {Jornadas de Bioinform\'{a}tica},
  year = {2009},
  address = {Lisbon, Portugal},
  }
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  • PDF

• G. Greenfield and P. Machado, “Simulating Artist and Critic Dynamics – An Agent-based Application of an Evolutionary Art System,” in IJCCI 2009 – Proceedings of the International Joint Conference on Computational Intelligence, Funchal, Madeira, Portugal, October 5-7, 2009, 2009, pp. 190-197.

  • Bibtex
  @inproceedings{gm09b,
  author = {Gary Greenfield and Penousal Machado},
  title = {Simulating Artist and Critic Dynamics – An Agent-based Application of an Evolutionary Art System},
  year = {2009},
  pages = {190-197},
  editor = {Ant\'{o}nio Dourado and Agostinho C. Rosa and Kurosh Madani},
  booktitle = {IJCCI 2009 – Proceedings of the International Joint Conference on Computational Intelligence, Funchal, Madeira, Portugal, October 5-7, 2009},
  publisher = {INSTICC Press},
  isbn = {978-989-674-014-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• P. Machado and F. Graça, “Evolutionary Pointillist Modules: Evolving Assemblages of 3D Objects,” in Applications of Evolutionary Computing, EvoWorkshops 2008: EvoCOMNET, EvoFIN, EvoHOT, EvoIASP, EvoMUSART, EvoNUM, EvoSTOC, and EvoTransLog, Naples, Italy, March 26-28, 2008. Proceedings, 2008, pp. 453-462.

  • Bibtex
  @inproceedings{mg08,
  author = {Penousal Machado and Fernando Gra\c{c}a},
  title = {Evolutionary Pointillist Modules: Evolving Assemblages of 3D Objects},
  year = {2008},
  pages = {453-462},
  DOI = {10.1007/978-3-540-78761-7_48},
  editor = {Mario Giacobini and Anthony Brabazon and Stefano Cagnoni and Gianni Di Caro and Rolf Drechsler and Anik\'{o} Ek\'{a}rt and Anna Esparcia-Alc\'{a}zar and Muddassar Farooq and Andreas Fink and Jon McCormack and Michael O’Neill and Juan Romero and Franz Rothlauf and Giovanni Squillero and Sima Uyar and Shengxiang Yang},
  booktitle = {Applications of Evolutionary Computing, EvoWorkshops 2008: EvoCOMNET, EvoFIN, EvoHOT, EvoIASP, EvoMUSART, EvoNUM, EvoSTOC, and EvoTransLog, Naples, Italy, March 26-28, 2008. Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {4974},
  isbn = {978-3-540-78760-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • Link
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  • PDF

• F. Graça and P. Machado, “Evolving Assemblages of 3D Objects,” in New Creativity, The 11th Biennial Symposium on Arts and Technology, New London, USA, 2008.

  • Bibtex
  @inproceedings{gm08b,
  author = "Fernando Gra\c{c}a and Penousal Machado",
  title = "Evolving Assemblages of 3D Objects",
  booktitle = "New Creativity, The 11th Biennial Symposium on Arts and Technology",
  year = "2008",
  address = "New London, USA",
  }
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  • PDF

• B. Z. Manaris, P. Roos, P. Machado, D. Krehbiel, L. Pellicoro, and J. Romero, “A Corpus-Based Hybrid Approach to Music Analysis and Composition,” in Proceedings of the Twenty-Second AAAI Conference on Artificial Intelligence, July 22-26, 2007, Vancouver, British Columbia, Canada, 2007, pp. 839-845.

  • Bibtex
  @inproceedings{mrm+07b,
  author = {Bill Z. Manaris and Patrick Roos and Penousal Machado and Dwight Krehbiel and Luca Pellicoro and Juan Romero},
  title = {A Corpus-Based Hybrid Approach to Music Analysis and Composition},
  year = {2007},
  pages = {839-845},
  booktitle = {Proceedings of the Twenty-Second AAAI Conference on Artificial Intelligence, July 22-26, 2007, Vancouver, British Columbia, Canada},
  publisher = {AAAI Press},
  isbn = {978-1-57735-323-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • PDF

• J. Romero, P. Machado, A. Santos, and M. Santos, “Sociedad Híbrida: Una extensión de computación evolutiva interactiva,” in Una Perspectiva de la Inteligencia Artificial en su 50 Aniversario, Albacete, Spain, 2006.

  • Bibtex
  @inproceedings{rmss06,
  author = {Juan Romero and Penousal Machado and Antonino Santos and Marisa Santos},
  title = {Sociedad H\'{i}brida: Una extensi\'{o}n de computaci\'{o}n evolutiva interactiva},
  booktitle = {Una Perspectiva de la Inteligencia Artificial en su 50 Aniversario},
  year = {2006},
  address = {Albacete, Spain},
  }
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  • PDF

• M. Pena, J. Romero, P. Machado, and A. Pazos, “Máquinas Estéticas,” in Conferência Internacional de Arte Digital e Electrónica, Artech 2006, Pontevedra, Spain, 2006.

  • Bibtex
  @inproceedings{prmp06,
  author = {Marisa Pena and Juan Romero and Penousal Machado and Alejandro Pazos},
  title = {M\'{a}quinas Est\'{e}ticas},
  booktitle = {Confer\^{e}ncia Internacional de Arte Digital e Electr\'{o}nica, Artech 2006},
  year = {2006},
  address = {Pontevedra, Spain},
  }
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  • PDF

• A. Cardoso and P. Machado, “Sobre a Geração de Obras de Arte,” in Arte e Emoção: as Artes e as Ciências no Horizonte da Racionalidade, Porto, Portugal, 2006.

  • Bibtex
  @inproceedings{cm06,
  author = {Am\'{i}lcar Cardoso and Penousal Machado},
  title = {Sobre a Gera\c{c}\~{a}o de Obras de Arte},
  booktitle = {Arte e Emo\c{c}\~{a}o: as Artes e as Ci\^{e}ncias no Horizonte da Racionalidade},
  year = {2006},
  publisher = {Funda\c{c}\~{a}o Abel Salazar, Faculdade de Ci\^{e}ncias da Universidade do Porto},
  address = {Porto, Portugal},
  }

• J. Romero, P. Machado, B. Manaris, and A. Santos, “Críticos de Arte Artificiales,” in Una Perspectiva de la Inteligencia Artificial en su 50 Aniversario, Albacete, Spain, 2006.

  • Bibtex
  @inproceedings{rmms06,
  author = {Juan Romero and Penousal Machado and Bill Manaris and Antonino Santos},
  title = {Cr\'{i}ticos de Arte Artificiales},
  booktitle = {Una Perspectiva de la Inteligencia Artificial en su 50 Aniversario},
  year = {2006},
  address = {Albacete, Spain},
  }
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  • PDF

• J. Romero, E. Sanmartín, P. Machado, and A. Santos, “Artificial Immune System Based Art,” in Proceedings of the Eighteenth International Florida Artificial Intelligence Research Society Conference, Clearwater Beach, Florida, USA, 2005, pp. 92-98.

  • Bibtex
  @inproceedings{rsms05,
  author = {Juan Romero and Estanislao Sanmart\'{i}n and Penousal Machado and Antonino Santos},
  title = {Artificial Immune System Based Art},
  year = {2005},
  pages = {92-98},
  editor = {Ingrid Russell and Zdravko Markov},
  booktitle = {Proceedings of the Eighteenth International Florida Artificial Intelligence Research Society Conference, Clearwater Beach, Florida, USA},
  publisher = {AAAI Press},
  isbn = {1-57735-234-3},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • PDF

• B. Z. Manaris, P. Machado, C. McCauley, J. Romero, and D. Krehbiel, “Developing Fitness Functions for Pleasant Music: Zipf’s Law and Interactive Evolution Systems,” in Applications of Evolutionary Computing, EvoWorkshops 2005: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Lausanne, Switzerland, March 30 – April 1, 2005, Proceedings, 2005, pp. 498-507.

  • Bibtex
  @inproceedings{mmm+05,
  author = {Bill Z. Manaris and Penousal Machado and Clayton McCauley and Juan Romero and Dwight Krehbiel},
  title = {Developing Fitness Functions for Pleasant Music: Zipf’s Law and Interactive Evolution Systems},
  booktitle = {Applications of Evolutionary Computing, EvoWorkshops 2005: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Lausanne, Switzerland, March 30 – April 1, 2005, Proceedings},
  editor = {Franz Rothlauf and J{\"u}rgen Branke and Stefano Cagnoni and David W. Corne and Rolf Drechsler and Yaochu Jin and Penousal Machado and Elena Marchiori and Juan Romero and George D. Smith and Giovanni Squillero},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3449},
  year = {2005},
  isbn = {3-540-25396-3},
  pages = {498-507},
  ee = {http://springerlink.metapress.com/openurl.asp?genre=article{\&}issn=0302-9743{\&}volume=3449{\&}spage=498},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• P. Machado, J. Tavares, A. Cardoso, F. B. Pereira, and E. Costa, “Evolving Creativity,” in Computational Creativity Workshop, 7th European Conference in Case Based Reasoning, Madrid, Spain, 2004.

  • Bibtex
  @inproceedings{mtc+04,
  author = "Machado, P. and Tavares, J. and Cardoso, A. and Pereira, F. B. and Costa, E.",
  title = "Evolving Creativity",
  booktitle = "Computational Creativity Workshop, 7th European Conference in Case Based Reasoning",
  year = "2004",
  address = "Madrid, Spain",
  }
  • |
  • PDF

• R. Oliveira, F. C. Pereira, and P. Machado, “Animating 3D Creatures,” in CGAIDE 2004 — International Conference on Computer Games: Artificial Intelligence, Design and Education, Microsoft Campus, Reading, UK, 2004.

  • Bibtex
  @inproceedings{opm04,
  author = "Rui Oliveira and Francisco C. Pereira and Penousal Machado",
  title = "Animating {3D} Creatures",
  booktitle = "{CGAIDE 2004} — International Conference on Computer Games: Artificial Intelligence, Design and Education",
  year = "2004",
  address = "Microsoft Campus, Reading, UK"
  }
  • |
  • PDF

• J. Tavares, P. Machado, A. Cardoso, F. B. Pereira, and E. Costa, “On the Evolution of Evolutionary Algorithms,” in Genetic Programming, 7th European Conference, EuroGP2004, Coimbra, Portugal, April 5-7, 2004, Proceedings, 2004, pp. 389-398.

  • Bibtex
  @inproceedings{tmc+04,
  author = {Jorge Tavares and Penousal Machado and Am\'{i}lcar Cardoso and Francisco Baptista Pereira and Ernesto Costa},
  title = {On the Evolution of Evolutionary Algorithms},
  year = {2004},
  pages = {389-398},
  ee = {http://springerlink.metapress.com/openurl.asp?genre=article{\&}issn=0302-9743{\&}volume=3003{\&}spage=389},
  editor = {Maarten Keijzer and Una-May O’Reilly and Simon M. Lucas and Ernesto Costa and Terence Soule},
  booktitle = {Genetic Programming, 7th European Conference, EuroGP2004, Coimbra, Portugal, April 5-7, 2004, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3003},
  isbn = {3-540-21346-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• P. Machado, J. Romero, M. L. Santos, A. Cardoso, and B. Z. Manaris, “Adaptive Critics for Evolutionary Artists,” in Applications of Evolutionary Computing, EvoWorkshops 2004: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Coimbra, Portugal, April 5-7, 2004, Proceedings, 2004, pp. 437-446.

  • Bibtex
  @inproceedings{mrs+04,
  author = {Penousal Machado and Juan Romero and Mar\'{i}a Luisa Santos and Am\'{i}lcar Cardoso and Bill Z. Manaris},
  title = {Adaptive Critics for Evolutionary Artists},
  year = {2004},
  pages = {437-446},
  ee = {http://springerlink.metapress.com/openurl.asp?genre=article{\&}issn=0302-9743{\&}volume=3005{\&}spage=437},
  editor = {G{\"u}nther R. Raidl and Stefano Cagnoni and J{\"u}rgen Branke and David Corne and Rolf Drechsler and Yaochu Jin and Colin G. Johnson and Penousal Machado and Elena Marchiori and Franz Rothlauf and George D. Smith and Giovanni Squillero},
  booktitle = {Applications of Evolutionary Computing, EvoWorkshops 2004: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Coimbra, Portugal, April 5-7, 2004, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3005},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• J. Tavares, F. B. Pereira, P. Machado, and E. Costa, “On the Influence of GVR in Vehicle Routing,” in Proceedings of the 2003 ACM Symposium on Applied Computing (SAC), March 9-12, 2003, Melbourne, FL, USA, 2003, pp. 753-758.

  • Bibtex
  @inproceedings{tpmc03b,
  author = {Jorge Tavares and Francisco Baptista Pereira and Penousal Machado and Ernesto Costa},
  title = {On the Influence of GVR in Vehicle Routing},
  year = {2003},
  pages = {753-758},
  booktitle = {Proceedings of the 2003 ACM Symposium on Applied Computing (SAC), March 9-12, 2003, Melbourne, FL, USA},
  publisher = {ACM},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• J. Romero, P. Machado, A. Santos, and A. Cardoso, “On the Development of Critics in Evolutionary Computation Artists,” in Applications of Evolutionary Computing, EvoWorkshop 2003: EvoBIO, EvoCOP, EvoIASP, EvoMUSART, EvoROB, and EvoSTIM, Essex, UK, April 14-16, 2003, Proceedings, 2003, pp. 559-569.

  • Bibtex
  @inproceedings{rmsc03,
  author = {Juan Romero and Penousal Machado and Antonino Santos and Am\'{i}lcar Cardoso},
  title = {On the Development of Critics in Evolutionary Computation Artists},
  year = {2003},
  pages = {559-569},
  ee = {http://link.springer.de/link/service/series/0558/bibs/2611/26110559.htm},
  editor = {G{\"u}nther R. Raidl and Jean-Arcady Meyer and Martin Middendorf and Stefano Cagnoni and Juan J. Romero Cardalda and David Corne and Jens Gottlieb and Agn{\`e}s Guillot and Emma Hart and Colin G. Johnson and Elena Marchiori},
  booktitle = {Applications of Evolutionary Computing, EvoWorkshop 2003: EvoBIO, EvoCOP, EvoIASP, EvoMUSART, EvoROB, and EvoSTIM, Essex, UK, April 14-16, 2003, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {2611},
  isbn = {3-540-00976-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• A. Cardoso and P. Machado, “Computational Creativity,” in Progress in Artificial Intelligence, 11th Portuguese Conference on Artificial Intelligence, EPIA 2003, Beja, Portugal, December 4-7, 2003, Proceedings, 2003, p. 2.

  • Bibtex
  @inproceedings{cm03,
  author = {Am\'{i}lcar Cardoso and Penousal Machado},
  title = {Computational Creativity},
  year = {2003},
  pages = {2},
  ee = {http://springerlink.metapress.com/openurl.asp?genre=article{\&}issn=0302-9743{\&}volume=2902{\&}spage=2},
  editor = {Fernando Moura-Pires and Salvador Abreu},
  booktitle = {Progress in Artificial Intelligence, 11th Portuguese Conference on Artificial Intelligence, EPIA 2003, Beja, Portugal, December 4-7, 2003, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {2902},
  isbn = {3-540-20589-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• J. Tavares, F. B. Pereira, P. Machado, and E. Costa, “Crossover and Diversity: A Study about GVR,” in Proceedings of the Analysis and Design of Representations and Operators (ADoRo’2003), a bird-of-a-feather workshop at the 2003 Genetic and Evolutionary Computation Conference (GECCO-2003), Chicago, Illinois USA, 2003, pp. 27-33.

  • Bibtex
  @inproceedings{tmc03a,
  author = "Jorge Tavares and Francisco B. Pereira and Penousal Machado and Ernesto Costa",
  title = "Crossover and Diversity: A Study about {GVR}",
  booktitle = "Proceedings of the Analysis and Design of Representations and Operators ({ADoRo’2003}), a bird-of-a-feather workshop at the 2003 Genetic and Evolutionary Computation Conference ({GECCO-2003})",
  year = "2003",
  pages = {27-33},
  address = "Chicago, Illinois USA"
  }
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  • PDF

• P. Machado, J. Romero, B. Manaris, A. Santos, and A. Cardoso, “Power to the Critics — A Framework for the Development of Artificial Art Critics,” in IJCAI 2003 Workshop on Creative Systems, Acapulco, Mexico, 2003.

  • Bibtex
  @inproceedings{mrm+03,
  author = "Penousal Machado and Juan Romero and Bill Manaris and Antonino Santos and Am\'{i}lcar Cardoso ",
  title = "Power to the Critics — {A} Framework for the Development of Artificial Art Critics",
  booktitle = "IJCAI 2003 Workshop on Creative Systems",
  year = "2003",
  address = "Acapulco, Mexico",
  }
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• P. Machado and A. Cardoso, “NEvAr — System Overview,” in Generative Art, Milan, Italy, 2003.

  • Bibtex
  @inproceedings{mc03,
  author = "Machado, P. and Cardoso, A.",
  title = "{NEvAr} — System Overview",
  booktitle = "Generative Art",
  year = "2003",
  address = "Milan, Italy",
  }
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• J. Romero, P. Machado, and M. Ares, “Artificial Music Critics,” in Generative Art, Milan, Italy, 2003.

  • Bibtex
  @inproceedings{rma03,
  author = "Romero, J. and Machado, P. and Ares, M.",
  title = "Artificial Music Critics",
  booktitle = "Generative Art",
  year = "2003",
  address = "Milan, Italy",
  }
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  • PDF

• J. Tavares, F. B. Pereira, P. Machado, and E. Costa, “GVR Delivers It On Time,” in SEAL02 4th Asia-Pacific Conference on Simulated Evolution And Learning, 18–22 Singapore, 2002.

  • Bibtex
  @inproceedings{tpmc02,
  author = "Jorge Tavares and Francisco B. Pereira and Penousal Machado and Ernesto Costa",
  title = "GVR Delivers It On Time",
  booktitle = "SEAL02 4th Asia-Pacific Conference on Simulated Evolution And Learning",
  year = "2002",
  address = "18–22 Singapore",
  month = "November",
  keywords = "genetic algorithms, representation, combinatorial optimization, vehicle routing problem",
  }
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• P. Machado, A. Dias, N. Duarte, and A. Cardoso, “Giving Colour to Images,” in AI and Creativity in Arts and Science, Imperial College, United Kingdom, 2002.

  • Bibtex
  @inproceedings{mddc02,
  title = "Giving Colour to Images",
  author = "Penousal Machado and Andre Dias and Nuno Duarte and Am\'{i}lcar Cardoso",
  year = "2002",
  booktitle = "AI and Creativity in Arts and Science",
  editor = "Am\'{i}lcar Cardoso and Geraint Wiggins",
  address = "Imperial College, United Kingdom",
  month = "2-5 " # apr,
  organisation = "The Society for the Study of Artificial Intelligence and the Simulation of Behaviour",
  note = "A symposium as part of AISB’02",
  keywords = "genetic algorithms, genetic programming",
  citeseer-isreferencedby = "oai:CiteSeerPSU:80402",
  annote = "The Pennsylvania State University CiteSeer Archives",
  language = "en",
  oai = "oai:CiteSeerPSU:508435",
  rights = "unrestricted",
  URL = "http://eden.dei.uc.pt/%7Emachado/research/pdf/aisb2002.pdf",
  URL = "http://citeseer.ist.psu.edu/508435.html",
  size = "7 pages",
  abstract = "This paper is about the colouring of greyscale images. More specifically, we address the problem of learning to colour greyscale images from a set of examples of true colour ones. We employ Genetic Programming to evolve computer programs that take as input the Lightness channel of the training images and output the Hue channel. The best programs evolved can then be used to give colour to greyscale images. Due to the computational complexity of the learning task, we use a genome compiler system, GenCo, specially suited to image processing tasks.",
  notes = "http://comma.doc.ic.ac.uk/aisb2002/ http://www.soi.city.ac.uk/~geraint/aisb02/programme.htm",
  }
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• A. Dias, P. Machado, and A. Cardoso, “Improving genome compiler’s performance,” in Genetic and Evolutionary Computation Conference, Graduate Student Workshop, GECCO’02, New York, USA, 2002.

  • Bibtex
  @inproceedings{dmc02,
  author = {Dias, A. and Machado, P. and Cardoso, A.},
  title = {Improving genome compiler’s performance},
  booktitle = {Genetic and Evolutionary Computation Conference, Graduate Student Workshop, GECCO’02},
  Address= {New York, USA}, year = {2002}
  }
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  • PDF

• F. B. Pereira, J. Tavares, P. Machado, and E. Costa, “GVR: A New Genetic Representation for the Vehicle Routing Problem,” in Artificial Intelligence and Cognitive Science, 13th Irish International Conference, AICS 2002, Limerick, Ireland, September 12-13, 2002, Proceedings, 2002, pp. 95-102.

  • Bibtex
  @inproceedings{ptmc02a,
  author = {Francisco Baptista Pereira and Jorge Tavares and Penousal Machado and Ernesto Costa},
  title = {GVR: A New Genetic Representation for the Vehicle Routing Problem},
  year = {2002},
  pages = {95-102},
  ee = {http://link.springer.de/link/service/series/0558/bibs/2464/24640095.htm},
  editor = {Michael O’Neill and Richard F. E. Sutcliffe and Conor Ryan and Malachy Eaton and Niall Griffith},
  booktitle = {Artificial Intelligence and Cognitive Science, 13th Irish International Conference, AICS 2002, Limerick, Ireland, September 12-13, 2002, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {2464},
  isbn = {3-540-44184-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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• P. Machado, J. Tavares, F. B. Pereira, and E. Costa, “Vehicle Routing Problem: Doing It The Evolutionary Way,” in GECCO 2002: Proceedings of the Genetic and Evolutionary Computation Conference, New York, 2002, p. 690.

  • Bibtex
  @inproceedings{mtpc02,
  author = "Penousal Machado and Jorge Tavares and Francisco B. Pereira and Ernesto Costa",
  title = "Vehicle Routing Problem: Doing It The Evolutionary Way",
  booktitle = "GECCO 2002: Proceedings of the Genetic and Evolutionary Computation Conference",
  editor = "W. B. Langdon and E. Cant\'{u}-Paz and K. Mathias and R. Roy and D. Davis and R. Poli and K. Balakrishnan and V. Honavar and G. Rudolph and J. Wegener and L. Bull and M. A. Potter and A. C. Schultz and J. F. Miller and E. Burke and N. Jonoska",
  year = "2002",
  pages = "690",
  address = "New York",
  publisher_address = "San Francisco, CA 94104, USA",
  month = "9-13 July",
  publisher = "Morgan Kaufmann publishers",
  keywords = "genetic algorithms, poster paper, co-evolution, combinatorial optimization, vehicle routing problem",
  isbn = "1-55860-878-8",
  notes = "GECCO-2002. A joint meeting of the eleventh International Conference on Genetic Algorithms (ICGA-2002) and the seventh Annual Genetic Programming Conference (GP-2002)"
  }
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• P. Machado, A. Dias, and A. Cardoso, “GenCo – A Project Report,” in Third International Symposium on Artificial Intelligence and Adaptive Systems (ISAS’2001), Havana, Cuba, March 2001.

  • Bibtex
  @inproceedings{mdc01,
  author = "Penousal Machado and Andr\'{e} Dias and Am\'{i}lcar Cardoso",
  title = {GenCo – A Project Report},
  booktitle = {Third International Symposium on Artificial Intelligence and Adaptive Systems (ISAS’2001)},
  year = {2001},
  address = {Havana, Cuba},
  date = {March},
  }
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  • PDF

• C. Grilo, P. Machado, and A. Cardoso, “Paradigmatic Analysis Using Genetic Algorithms,” in Proc. of the Artificial Intelligence and the Simulation of Behavior (AISB2001), March 2001, pp. 51-58.

  • Bibtex
  @inproceedings{gmc01,
  author = "Carlos Grilo and Penousal Machado and Am\'{i}lcar Cardoso",
  title = {Paradigmatic Analysis Using Genetic Algorithms},
  booktitle = {Proc. of the Artificial Intelligence and the Simulation of Behavior (AISB2001)},
  year = {2001},
  pages = {51-58},
  date = {March},
  }
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  • PDF

• F. B. Pereira, P. Machado, E. Costa, A. Cardoso, A. Ochoa-Rodriguez, R. Santana, and M. Soto, “Too Busy to Learn,” in Proc. of the 2000 Congress on Evolutionary Computation, Piscataway, NJ, 2000, pp. 720-727.

  • Bibtex
  @inproceedings{pmc+00,
  author = {Francisco B. Pereira and Penousal Machado and Ernesto Costa and Am{\'{i}}lcar Cardoso and Alberto Ochoa-Rodriguez and Roberto Santana and Marta Soto},
  title = {Too Busy to Learn},
  booktitle = {Proc.{} of the 2000 {C}ongress on {E}volutionary {C}omputation},
  pages = {720–727},
  year = {2000},
  address = {Piscataway, NJ},
  publisher = {IEEE Service Center}
  }
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  • PDF

• P. Machado and A. Cardoso, “NEvAr — The Assessment of an Evolutionary Art Tool,” in AISB’00 Symposium on Creative and Cultural Aspects and Applications of AI and Cognitive Science, Birmingham, UK, 2000.

  • Bibtex
  @inproceedings{mc00,
  author = {Machado, Penousal and Cardoso, Am\'{i}lcar},
  title = {{NEvAr} — The Assessment of an Evolutionary Art Tool},
  booktitle = {AISB’00 Symposium on Creative and Cultural Aspects and Applications of AI and Cognitive Science},
  Editor = {Wiggins, Geraint},
  Address= {Birmingham, UK}, year = {2000} }
  • |
  • PDF

• R. Santana, A. Ochoa-Rodríguez, M. Soto, F. B. Pereira, P. Machado, E. Costa, and A. Cardoso, “Probabilistic Evolution and the Busy Beaver Problem,” in Proceedings of the Genetic and Evolutionary Computation Conference (GECCO’00), Las Vegas, Nevada, USA, July 8-12, 2000, 2000, p. 380.

  • Bibtex
  @inproceedings{sors+00,
  author = {Roberto Santana and Alberto Ochoa-Rodr\'{i}guez and Marta Soto and Francisco Baptista Pereira and Penousal Machado and Ernesto Costa and Am\'{i}lcar Cardoso},
  title = {Probabilistic Evolution and the Busy Beaver Problem},
  year = {2000},
  pages = {380},
  editor = {L. Darrell Whitley and David E. Goldberg and Erick Cant\'{u}-Paz and Lee Spector and Ian C. Parmee and Hans-Georg Beyer},
  booktitle = {Proceedings of the Genetic and Evolutionary Computation Conference (GECCO’00), Las Vegas, Nevada, USA, July 8-12, 2000},
  publisher = {Morgan Kaufmann},
  isbn = {1-55860-708-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• P. Machado and A. Cardoso, “Speeding up Genetic Programming,” in Second International Symposium on Artificial Intelligence and Adaptive Systems, CIMAF’99,, La Habana, Cuba, 1999, pp. 217-223.

  • Bibtex
  @inproceedings{mc99,
  author = {Machado, Penousal and Cardoso, Am\'{i}lcar},
  title = {Speeding up Genetic Programming},
  booktitle = {Second International Symposium on Artificial Intelligence and Adaptive Systems, CIMAF’99,},
  Editor = {Ochoa, A. and Ortiz, M. and Santana, R.},
  Address= {La Habana, Cuba},
  pages = {217-223}, year = {1999}
  }
  • |
  • PDF

• F. B. Pereira, P. Machado, E. Costa, and A. Cardoso, “Busy Beaver — An Evolutionary Approach,” in Procs. of the Second International Symposium on Artificial Intelligence and Adaptive Systems (CIMAF’99), Havana, Cuba, March 22–26 1999, pp. 212-217.

  • Bibtex
  @inproceedings{pmcc99a,
  author = "Francisco B. Pereira and Penousal Machado and Ernesto Costa and Am\'{i}lcar Cardoso",
  title = {Busy Beaver — An Evolutionary Approach},
  booktitle = {Procs. of the Second International Symposium on Artificial Intelligence and Adaptive Systems (CIMAF’99)},
  editor = {A. Ochoa and M. Ortiz and R. Santana},
  pages = {212–217},
  year = {1999},
  ISBN = {959-02-0241-1},
  address = {Havana, Cuba},
  date = {March 22–26},
  }
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  • PDF

• P. Machado, F. B. Pereira, A. Cardoso, and E. Costa, “Busy Beaver – The Influence of Representation,” in Genetic Programming, Second European Workshop, Göteborg, Sweden, May 26-27, 1999, Proceedings, 1999, pp. 29-38.

  • Bibtex
  @inproceedings{mpcc99,
  author = {Penousal Machado and Francisco Baptista Pereira and Am\'{i}lcar Cardoso and Ernesto Costa},
  title = {Busy Beaver – The Influence of Representation},
  year = {1999},
  pages = {29-38},
  ee = {http://link.springer.de/link/service/series/0558/bibs/1598/15980029.htm},
  editor = {Riccardo Poli and Peter Nordin and William B. Langdon and Terence C. Fogarty},
  booktitle = {Genetic Programming, Second European Workshop, G{\"o}teborg, Sweden, May 26-27, 1999, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {1598},
  isbn = {3-540-65899-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• F. B. Pereira, P. Machado, E. Costa, and A. Cardoso, “Graph Based Crossover — A Case Study with the Busy Beaver Problem,” in Proceedings of the Genetic and EvolutionaryComputation Conference, Orlando, Florida, USA, 1999, pp. 1149-1155.

  • Bibtex
  @inproceedings{pmcc99b,
  author = "Francisco B. Pereira and Penousal Machado and Ernesto Costa and Am\'{i}lcar Cardoso",
  title = "Graph Based Crossover — {A} Case Study with the Busy Beaver Problem",
  booktitle = "Proceedings of the Genetic and EvolutionaryComputation Conference",
  year = "1999",
  volume = "2",
  pages = "1149–1155",
  address = "Orlando, Florida, USA",
  publisher_address = "San Francisco, CA 94104, USA",
  month = "13-17 " # jul,
  publisher = "Morgan Kaufmann",
  keywords = "genetic programming and evolvable hardware",
  ISBN = "1-55860-611-4",
  notes = "GECCO-99 A joint meeting of the eighth international conference on genetic algorithms (ICGA-99) and the fourth annual genetic programming conference (GP-99)",
  }
  • |
  • PDF

• F. C. Pereira, P. Machado, and A. Cardoso, “Darwinci: Creating Bridges to Creativity,” in Advances in Artificial Intelligence, 14th Brazilian Symposium on Artificial Intelligence, SBIA’98, Porto Alegre, Brazil, November 4-6, 1998, Proceedings, 1998, pp. 239-248.

  • Bibtex
  @inproceedings{pmc98,
  author = {Francisco C. Pereira and Penousal Machado and Am\'{i}lcar Cardoso},
  title = {Darwinci: Creating Bridges to Creativity},
  year = {1998},
  pages = {239-248},
  editor = {Fl\'{a}vio Moreira de Oliveira},
  booktitle = {Advances in Artificial Intelligence, 14th Brazilian Symposium on Artificial Intelligence, SBIA’98, Porto Alegre, Brazil, November 4-6, 1998, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {1515},
  isbn = {3-540-65190-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • PDF

• P. Machado and A. Cardoso, “Computing Aesthetics,” in Advances in Artificial Intelligence, 14th Brazilian Symposium on Artificial Intelligence, SBIA’98, Porto Alegre, Brazil, November 4-6, 1998, Proceedings, 1998, pp. 219-228.

  • Bibtex
  @inproceedings{mc98,
  author = {Penousal Machado and Am\'{i}lcar Cardoso},
  title = {Computing Aesthetics},
  year = {1998},
  pages = {219-228},
  editor = {Fl\'{a}vio Moreira de Oliveira},
  booktitle = {Advances in Artificial Intelligence, 14th Brazilian Symposium on Artificial Intelligence, SBIA’98, Porto Alegre, Brazil, November 4-6, 1998, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {1515},
  isbn = {3-540-65190-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • PDF

• P. Machado and A. Cardoso, “Model Proposal for a Constructed Artist,” in Procs. of the first World Multiconference on Systemics, Cybernetics and Informatics, 1997, pp. 521-528.

  • Bibtex
  @inproceedings{mc97,
  author = {Penousal Machado and Am\'{i}lcar Cardoso},
  title = {Model Proposal for a Constructed Artist},
  booktitle = {Procs. of the first World Multiconference on Systemics, Cybernetics and Informatics},
  volume ={2},
  year = {1997},
  isbn = {980-07-4174-7},
  location = {Caracas, Venezuela},
  pages ={521-528},
  }
  • |
  • PDF

• P. Machado and A. Cardoso, “Generation and Evaluation of Artworks,” in Procs. of the First European Workshop on Cognitive Modeling, 1996.

  • Bibtex
  @inproceedings{mc96,
  author = {Penousal Machado and Am\'{i}lcar Cardoso},
  title = {Generation and Evaluation of Artworks},
  booktitle = {Procs. of the First European Workshop on Cognitive Modeling},
  year = {1996},
  publisher = {TR 96-39, Technische Universitat Berlim},
  location = {Berlin, Germany},
  editor = {Schmid and Krems and Wysotzli }
  }
  • |
  • PDF

• C. Bento, P. Machado, and E. Costa, “On the Role of Splitting and Merging Past Cases for Generation of a New Solution,” in Progress in Artificial Intelligence, 7th Portuguese Conference on Artificial Intelligence, EPIA’95, Funchal, Madeira Island, Portugal, October 3-6, 1995, Proceedings, 1995, pp. 249-260.

  • Bibtex
  @inproceedings{bmc95,
  author = {Carlos Bento and Penousal Machado and Ernesto Costa},
  title = {On the Role of Splitting and Merging Past Cases for Generation of a New Solution},
  year = {1995},
  pages = {249-260},
  editor = {Carlos A. Pinto-Ferreira and Nuno J. Mamede},
  booktitle = {Progress in Artificial Intelligence, 7th Portuguese Conference on Artificial Intelligence, EPIA’95, Funchal, Madeira Island, Portugal, October 3-6, 1995, Proceedings},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {990},
  isbn = {3-540-60428-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
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  • PDF

• C. Bento, P. Machado, and E. Costa, “Evaluation of Recidepsy — An Adviser in the Domain of Psychology,” in AAAI 94 Case-Based Reasoning Workshop, 1994, pp. 143-149.

  • Bibtex
  @inproceedings{bmc94,
  author = {Carlos Bento and Penousal Machado and Ernesto Costa},
  title = {Evaluation of Recidepsy — An Adviser in the Domain of Psychology},
  booktitle = {AAAI 94 Case-Based Reasoning Workshop},
  year = {1994},
  pages = {143-149},
  location = {Seattle, USA},
  }
  • |
  • PDF

In Exhibitions

• R. Kamolov and P. Machado, “Musical Swarms,” in BRIDGES 2013 — Mathematical Art Galleries, Enschede, Netherlands: , 2013.

  • Bibtex
  @incollection{km13,
  author = {Ruslan Kamolov and Penousal Machado},
  title = {Musical Swarms},
  booktitle = {BRIDGES 2013 — Mathematical Art Galleries},
  address = {Enschede, Netherlands},
  year = {2013},
  }

• T. Martins and P. Machado, “The garden of virtual delights,” in BRIDGES 2013 — Mathematical Art Galleries, Enschede, Netherlands: , 2013.

  • Bibtex
  @incollection{mm13,
  author = {Tiago Martins and Penousal Machado},
  title = {The garden of virtual delights},
  booktitle = {BRIDGES 2013 — Mathematical Art Galleries},
  address = {Enschede, Netherlands},
  year = {2013},
  }

• P. Machado and L. Pereira, “Photogrowth,” in BRIDGES 2012 — Mathematical Art Galleries, Towson, MA, USA: , 2012.

  • Bibtex
  @incollection{mp12,
  author = {Penousal Machado and Luis Pereira},
  title = {Photogrowth},
  booktitle = {BRIDGES 2012 — Mathematical Art Galleries},
  address = {Towson, MA, USA},
  year = {2012},
  }

• P. Cruz and P. Machado, “Visualizing Empires Decline,” in ACM SIGGRAPH 2010 Computer Animation Festival, Los Angeles, California: ACM, 2010.

  • Bibtex
  @incollection{sigCAF,
  author = {Pedro Cruz and Penousal Machado},
  title = {Visualizing Empires Decline},
  booktitle = {ACM SIGGRAPH 2010 Computer Animation Festival},
  publisher = {ACM},
  address = {Los Angeles, California},
  month = {July 26 – 30},
  year = {2010},
  }

• P. Cruz, P. Machado, and J. Bicker, “Visualizaçón del tráfico en Lisboa,” in Mediateca Expandida Habitar, Gijón, Spain: LABoral Centro de Arte y Creación Cultural, 2010, p. 28-29, 86-87.

  • Bibtex
  @incollection{cruzhabitar,
  author = {Pedro Cruz and Penousal Machado and Jo\~{a}o Bicker},
  title = {Visualiza\c{c}\'{o}n del tr\'{a}fico en Lisboa},
  booktitle = {Mediateca Expandida Habitar},
  publisher = {LABoral Centro de Arte y Creaci\'{o}n Cultural},
  address = {Gij\'{o}n, Spain},
  pages = {28-29, 86-87} ,
  year = {2010},
  }

• P. Machado and J. Romero, “Losing System Signature,” in Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging (CAe 2009) Art Catalogue, Victoria, Canada, 2009.

  • Bibtex
  @inproceedings{machado09ca,
  author = {Penousal Machado and Juan Romero},
  title = {Losing System Signature},
  booktitle = {Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging ({CAe 2009}) Art Catalogue},
  year = {2009},
  address = {Victoria, Canada},
  }

• F. Graça and P. Machado, “Informal Stains,” in Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging (CAe 2009) Art Catalogue, Victoria, Canada, 2009.

  • Bibtex
  @inproceedings{graca09ca,
  author = {Fernando Gra\c{c}a and Penousal Machado},
  title = {Informal Stains},
  booktitle = {Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging ({CAe 2009}) Art Catalogue},
  year = {2009},
  address = {Victoria, Canada},
  }

• F. Graça and P. Machado, “Evolving Assemblages,” in Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging (CAe 2008) Art Catalogue, Lisbon, Portugal, 2008.

  • Bibtex
  @inproceedings{graca08ca,
  author = {Fernando Gra\c{c}a and Penousal Machado},
  title = {Evolving Assemblages},
  booktitle = {Proc. of the Computational Aesthetics in Graphics, Visualization, and Imaging ({CAe 2008}) Art Catalogue},
  year = {2008},
  address = {Lisbon, Portugal},
  }

• P. Machado and J. Romero, “Movement without Motion,” in ART Escapes’2007 — Exhibition Catalog, Valencia, Spain: ISBN 978-84-8363-106-5, 2007.

  • Bibtex
  @incollection{ARTEscapesb,
  author = {Penousal Machado and Juan Romero},
  title = {Movement without Motion},
  booktitle = {ART Escapes’2007 — Exhibition Catalog},
  year = {2007},
  publisher = {ISBN 978-84-8363-106-5},
  address = {Valencia, Spain},
  }

• ART Escapes’2007 — Exibition Catalog, P. Machado, J. Romero, P. Urbano, and A. Esparcia, Eds., Valencia, Spain: ISBN 978-84-8363-106-5, 2007.

  • Bibtex
  @book{ARTEscapes,
  editor = {Penousal Machado and Juan Romero and Paulo Urbano and Anna Esparcia},
  title = {ART Escapes’2007 — Exibition Catalog},
  publisher = {ISBN 978-84-8363-106-5},
  year = 2007,
  ISBN = {978-84-8363-106-5},
  address = {Valencia, Spain},
  }

• P. Machado and J. Romero, “Preface,” in ART Escapes’2007 — Exhibition Catalog, Valencia, Spain: ISBN 978-84-8363-106-5, 2007.

  • Bibtex
  @incollection{ARTEscapesa,
  author = {Penousal Machado and Juan Romero},
  title = {Preface},
  booktitle = {ART Escapes’2007 — Exhibition Catalog},
  year = {2007},
  publisher = {ISBN 978-84-8363-106-5},
  address = {Valencia, Spain},
  }

• Process Revealed DVD, T. Blackwell, J. Jeffries, P. Machado, and J. Romero, Eds., London, UK: Goldsmith, University of London, 2006.

  • Bibtex
  @book{Processrevealed,
  editor = {Tim Blackwell and Janis Jeffries and Penousal Machado and Juan Romero},
  title = {Process Revealed DVD},
  year = {2006},
  publisher = {Goldsmith, University of London},
  address = {London, UK},
  }

Edited Books

• The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music, J. Romero and P. Machado, Eds., Springer Berlin Heidelberg, 2007.

  • Bibtex
  @book{rm07a,
  editor = {Juan Romero and Penousal Machado},
  title = {The Art of Artificial Evolution: A Handbook on Evolutionary Art and Music},
  publisher = {Springer Berlin Heidelberg},
  year = 2007,
  month = {November},
  series = {Natural Computing Series},
  DOI = {10.1007/978-3-540-72877-1},
  ISSN = {1619-7127},
  ISBN = {978-3-540-72876-4 (Print) 978-3-540-72877-1 (Online)}
  }
  • |
  • Link

• Inteligencia Artificial y Computacion Avanzada, J. Romero, C. daFonte, A. Gomez, and P. Machado, Eds., Fundacion Alfredo Brañas, 2007.

  • Bibtex
  @book{rdgm07,
  editor = {Juan Romero and Carlos daFonte and A. Gomez and Penousal Machado},
  title = {Inteligencia Artificial y Computacion Avanzada},
  publisher = {Fundacion Alfredo Bra\~{n}as},
  year = 2007,
  ISBN = {84-934497-0-9},
  }

Conference Proceedings

• Genetic Programming – 18th European Conference, EuroGP 2015, Copenhagen, Denmark, April 8-10, 2015. Proceedings, P. Machado, M. Heywood, and J. McDermott, Eds., Springer, 2015.

  • Bibtex
  @proceedings{mhm15,
  Booktitle = {EuroGP},
  Editor = {Penousal Machado and Malcolm Heywood And James McDermott},
  Publisher = {Springer},
  Series = {Lecture Notes in Computer Science},
  Title = {Genetic Programming – 18th European Conference, EuroGP 2015, Copenhagen, Denmark, April 8-10, 2015. Proceedings},
  Year = {2015}}

• Evolutionary and Biologically Inspired Music, Sound, Art and Design – Second International Conference, EvoMUSART 2013, Vienna, Austria, April 3-5, 2013. Proceedings, P. Machado, J. McDermott, and A. Carballal, Eds., Springer, 2013, vol. 7834.

  • Bibtex
  @proceedings{mmc13,
  editor = {Penousal Machado and James McDermott and Adri\'{a}n Carballal},
  title = {Evolutionary and Biologically Inspired Music, Sound, Art and Design – Second International Conference, EvoMUSART 2013, Vienna, Austria, April 3-5, 2013. Proceedings},
  booktitle = {EvoMUSART},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7834},
  year = {2013},
  isbn = {978-3-642-36954-4},
  ee = {http://dx.doi.org/10.1007/978-3-642-36955-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Evolutionary and Biologically Inspired Music, Sound, Art and Design – First International Conference, EvoMUSART 2012, Málaga, Spain, April 11-13, 2012. Proceedings, P. Machado, J. Romero, and A. Carballal, Eds., Springer, 2012, vol. 7247.

  • Bibtex
  @proceedings{mj12,
  editor = {Penousal Machado and Juan Romero and Adri\'{a}n Carballal},
  title = {Evolutionary and Biologically Inspired Music, Sound, Art and Design – First International Conference, EvoMUSART 2012, M\'{a}laga, Spain, April 11-13, 2012. Proceedings},
  booktitle = {EvoMUSART},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7247},
  year = {2012},
  isbn = {978-3-642-29141-8},
  DOI = {10.1007/978-3-642-29142-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • Link

• Genetic Programming – 15th European Conference, EuroGP 2012, Málaga, Spain, April 11-13, 2012. Proceedings, A. Moraglio, S. Silva, K. Krawiec, P. Machado, and C. Cotta, Eds., Springer, 2012, vol. 7244.

  • Bibtex
  @proceedings{DBLP:conf/eurogp/2012,
  editor = {Alberto Moraglio and Sara Silva and Krzysztof Krawiec and Penousal Machado and Carlos Cotta},
  title = {Genetic Programming – 15th European Conference, EuroGP 2012, M\'{a}laga, Spain, April 11-13, 2012. Proceedings},
  booktitle = {EuroGP},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {7244},
  year = {2012},
  isbn = {978-3-642-29138-8},
  DOI = {10.1007/978-3-642-29139-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • Link

• Genetic Programming – 14th European Conference, EuroGP 2011, Torino, Italy, April 27-29, 2011. Proceedings, S. Silva, J. A. Foster, M. Nicolau, P. Machado, and M. Giacobini, Eds., Springer, 2011, vol. 6621.

  • Bibtex
  @proceedings{DBLP:conf/eurogp/2011,
  editor = {Sara Silva and James A. Foster and Miguel Nicolau and Penousal Machado and Mario Giacobini},
  title = {Genetic Programming – 14th European Conference, EuroGP 2011, Torino, Italy, April 27-29, 2011. Proceedings},
  booktitle = {EuroGP},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {6621},
  year = {2011},
  isbn = {978-3-642-20406-7},
  DOI = {10.1007/978-3-642-20407-4},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }
  • |
  • Link

• Applications of Evolutionary Computation, EvoApplications 2010: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoMUSART, and EvoTRANSLOG, Istanbul, Turkey, April 7-9, 2010, Proceedings, Part II, C. D. Chio, A. Brabazon, G. D. A. Caro, M. Ebner, M. Farooq, A. Fink, J. Grahl, G. Greenfield, P. Machado, M. O’Neill, E. Tarantino, and N. Urquhart, Eds., Springer, 2010, vol. 6025.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2010a2,
  editor = {Cecilia Di Chio and Anthony Brabazon and Gianni A. Di Caro and Marc Ebner and Muddassar Farooq and Andreas Fink and J\"{o}rn Grahl and Gary Greenfield and Penousal Machado and Michael O’Neill and Ernesto Tarantino and Neil Urquhart},
  title = {Applications of Evolutionary Computation, EvoApplications 2010: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoMUSART, and EvoTRANSLOG, Istanbul, Turkey, April 7-9, 2010, Proceedings, Part II},
  booktitle = {EvoApplications (2)},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {6025},
  year = {2010},
  isbn = {978-3-642-12241-5},
  ee = {http://dx.doi.org/10.1007/978-3-642-12242-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Applications of Evolutionary Computing, EvoWorkshops 2009: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoGAMES, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, EvoNUM, EvoSTOC, EvoTRANSLOG, Tübingen, Germany, April 15-17, 2009. Proceedings, M. Giacobini, A. Brabazon, S. Cagnoni, G. D. A. Caro, A. Ekárt, A. Esparcia-Alcázar, M. Farooq, A. Fink, P. Machado, J. McCormack, M. O’Neill, F. Neri, M. Preuss, F. Rothlauf, E. Tarantino, and S. Yang, Eds., Springer, 2009, vol. 5484.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2009,
  editor = {Mario Giacobini and Anthony Brabazon and Stefano Cagnoni and Gianni A. Di Caro and Anik\'{o} Ek\'{a}rt and Anna Esparcia-Alc\'{a}zar and Muddassar Farooq and Andreas Fink and Penousal Machado and Jon McCormack and Michael O’Neill and Ferrante Neri and Mike Preuss and Franz Rothlauf and Ernesto Tarantino and Shengxiang Yang},
  title = {Applications of Evolutionary Computing, EvoWorkshops 2009: EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoGAMES, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, EvoNUM, EvoSTOC, EvoTRANSLOG, T\"{u}bingen, Germany, April 15-17, 2009. Proceedings},
  booktitle = {EvoWorkshops},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {5484},
  year = {2009},
  isbn = {978-3-642-01128-3},
  ee = {http://dx.doi.org/10.1007/978-3-642-01129-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Applications of Evolutionary Computing, EvoWorkshops 2007: EvoCoMnet, EvoFIN, EvoIASP,EvoINTERACTION, EvoMUSART, EvoSTOC and EvoTransLog, Valencia, Spain, April11-13, 2007, Proceedings, M. Giacobini, A. Brabazon, S. Cagnoni, G. D. Caro, R. Drechsler, M. Farooq, A. Fink, E. Lutton, P. Machado, S. Minner, M. O’Neill, J. Romero, F. Rothlauf, G. Squillero, H. Takagi, S. Uyar, and S. Yang, Eds., Springer, 2007, vol. 4448.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2007,
  editor = {Mario Giacobini and Anthony Brabazon and Stefano Cagnoni and Gianni Di Caro and Rolf Drechsler and Muddassar Farooq and Andreas Fink and Evelyne Lutton and Penousal Machado and Stefan Minner and Michael O’Neill and Juan Romero and Franz Rothlauf and Giovanni Squillero and Hideyuki Takagi and Sima Uyar and Shengxiang Yang},
  title = {Applications of Evolutionary Computing, EvoWorkshops 2007: EvoCoMnet, EvoFIN, EvoIASP,EvoINTERACTION, EvoMUSART, EvoSTOC and EvoTransLog, Valencia, Spain, April11-13, 2007, Proceedings},
  booktitle = {EvoWorkshops},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {4448},
  year = {2007},
  isbn = {978-3-540-71804-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Applications of Evolutionary Computing, EvoWorkshops 2006: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, and EvoSTOC, Budapest, Hungary, April 10-12, 2006, Proceedings, F. Rothlauf, J. Branke, S. Cagnoni, E. Costa, C. Cotta, R. Drechsler, E. Lutton, P. Machado, J. H. Moore, J. Romero, G. D. Smith, G. Squillero, and H. Takagi, Eds., Springer, 2006, vol. 3907.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2006,
  editor = {Franz Rothlauf and J\"{u}rgen Branke and Stefano Cagnoni and Ernesto Costa and Carlos Cotta and Rolf Drechsler and Evelyne Lutton and Penousal Machado and Jason H. Moore and Juan Romero and George D. Smith and Giovanni Squillero and Hideyuki Takagi},
  title = {Applications of Evolutionary Computing, EvoWorkshops 2006: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoINTERACTION, EvoMUSART, and EvoSTOC, Budapest, Hungary, April 10-12, 2006, Proceedings},
  booktitle = {EvoWorkshops},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3907},
  year = {2006},
  isbn = {3-540-33237-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Applications of Evolutionary Computing, EvoWorkshops 2005: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Lausanne, Switzerland, March 30 – April 1, 2005, Proceedings, F. Rothlauf, J. Branke, S. Cagnoni, D. W. Corne, R. Drechsler, Y. Jin, P. Machado, E. Marchiori, J. Romero, G. D. Smith, and G. Squillero, Eds., Springer, 2005, vol. 3449.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2005,
  editor = {Franz Rothlauf and J\"{u}rgen Branke and Stefano Cagnoni and David W. Corne and Rolf Drechsler and Yaochu Jin and Penousal Machado and Elena Marchiori and Juan Romero and George D. Smith and Giovanni Squillero},
  title = {Applications of Evolutionary Computing, EvoWorkshops 2005: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Lausanne, Switzerland, March 30 – April 1, 2005, Proceedings},
  booktitle = {EvoWorkshops},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3449},
  year = {2005},
  isbn = {3-540-25396-3},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

• Applications of Evolutionary Computing, EvoWorkshops 2004: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Coimbra, Portugal, April 5-7, 2004, Proceedings, G. R. Raidl, S. Cagnoni, J. Branke, D. Corne, R. Drechsler, Y. Jin, C. G. Johnson, P. Machado, E. Marchiori, F. Rothlauf, G. D. Smith, and G. Squillero, Eds., Springer, 2004, vol. 3005.

  • Bibtex
  @proceedings{DBLP:conf/evoW/2004,
  editor = {G\"{u}nther R. Raidl and Stefano Cagnoni and J\"{u}rgen Branke and David Corne and Rolf Drechsler and Yaochu Jin and Colin G. Johnson and Penousal Machado and Elena Marchiori and Franz Rothlauf and George D. Smith and Giovanni Squillero},
  title = {Applications of Evolutionary Computing, EvoWorkshops 2004: EvoBIO, EvoCOMNET, EvoHOT, EvoIASP, EvoMUSART, and EvoSTOC, Coimbra, Portugal, April 5-7, 2004, Proceedings},
  booktitle = {EvoWorkshops},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {3005},
  year = {2004},
  isbn = {3-540-21378-3},
  bibsource = {DBLP, http://dblp.uni-trier.de}
  }

Special Issues

• J. Romero and P. Machado, “Special Issue on Evolutionary Art and Music,” International Journal of Arts and Technology, 2015.

  • Bibtex
  @article{ijart13,
  Author = {Juan Romero and Penousal Machado},
  Journal = {International Journal of Arts and Technology},
  Publisher = {Springer},
  Title = {Special Issue on Evolutionary Art and Music},
  Year = {2015}}

• J. Romero, P. Machado, and A. Carballal, “Special issue on biologically inspired music, sound, art and design,” Genetic Programming and Evolvable Machines, vol. 14, iss. 3, 2013.

  • Bibtex
  @article{rmc13x,
  author = {Juan Romero and Penousal Machado and Adri\'{a}n Carballal},
  title = {Special issue on biologically inspired music, sound, art and design},
  journal = {Genetic Programming and Evolvable Machines},
  publisher ={Springer},
  volume = {14},
  number = {3},
  year = {2013}
  }

• G. Greenfield and P. Machado, “Mathematical Models used in Aesthetic Evaluation,” Special Issue of the Journal of Mathematics and Art, 2012.

  • Bibtex
  @article{gm12,
  author = {Gary Greenfield and Penousal Machado},
  title = {Mathematical Models used in Aesthetic Evaluation},
  journal = {Special Issue of the Journal of Mathematics and Art},
  publisher ={Taylor and Francis},
  year = {2012},
  }

• P. Machado and B. Manaris, “Special Issue Artificial Intelligence in Music and Art,” International Journal on Artificial Intelligence Tools, vol. 15, iss. 4, 2006.

  • Bibtex
  @article{mm06a,
  author = {Penousal Machado and Bill Manaris},
  title = {Special Issue {A}rtificial {I}ntelligence in {M}usic and {A}rt},
  journal = {International Journal on Artificial Intelligence Tools},
  Volume = {15},
  Number = {4},
  publisher ={World Scientific},
  year = {2006}
  }