EPIA 2009 Conference Organization Conference Chairs Luı́s Seabra Lopes Nuno Lau Pedro Mariano Universidade de Aveiro, Portugal Universidade de Aveiro, Portugal Universidade de Aveiro, Portugal Program Chair Luı́s M. Rocha Indiana University, USA Advisory Committee Salvador Abreu Pedro Barahona Pavel Brazdil Luı́s Camarinha-Matos Amı́lcar Cardoso Helder Coelho Luı́s Correia Ernesto Costa Gaël Dias Pedro Rangel Henriques Gabriel Pereira Lopes José Manuel Machado José Maia Neves Arlindo Oliveira Eugénio Oliveira Luı́s Moniz Pereira José Carlos Prı́ncipe Carlos Ramos Manuel Filipe Santos Manuela Veloso Universidade de Évora, Portugal Universidade Nova de Lisboa, Portugal Universidade do Porto, Portugal Universidade Nova de Lisboa, Portugal Universidade de Coimbra, Portugal Universidade de Lisboa, Portugal Universidade de Lisboa, Portugal Universidade de Coimbra, Portugal Universidade da Beira Interior, Portugal Universidade do Minho, Portugal Universidade Nova de Lisboa, Portugal Universidade do Minho, Portugal Universidade do Minho, Portugal Universidade Técnica de Lisboa, Portugal Universidade do Porto, Portugal Universidade Nova de Lisboa, Portugal University of South Florida, USA Instituto Politécnico do Porto, Portugal Universidade do Minho, Portugal Carnegie Mellon University, USA Thematic Track Chairs AITUM Rosaldo Rossetti Ronghui Liu Elisabete Arsénio Jorge Lopes Universidade do Porto, Portugal University of Leeds, UK Laboratório Nacional de Engenharia Civil, Portugal BRISA S.A., Portugal VIII Organization ALEA Agostinho Rosa Luı́s Correia Universidade Técnica de Lisboa, Portugal Universidade de Lisboa, Portugal CMBSB Miguel Rocha Rui Camacho Florentino Fdez-Riverola Universidade do Minho, Portugal Universidade do Porto, Portugal Universidad de Vigo, Spain COLA Carlos Viegas Damásio Fernando Silva Universidade Nova de Lisboa, Portugal Universidade do Porto, Portugal EAC Goreti Marreiros Andrew Ortony Ana Paiva Luis Antunes Instituto Politécnico do Porto, Portugal Northwestern University, Chicago, USA Universidade Técnica de Lisboa, Portugal Universidade de Lisboa, Portugal GAI Luı́s Seabra Lopes Nuno Lau Pedro Mariano Luı́s M. Rocha Universidade de Aveiro, Portugal Universidade de Aveiro, Portugal Universidade de Aveiro, Portugal Indiana University, USA IROBOT Luı́s Paulo Reis Luı́s Correia António José Neves Universidade do Porto, Portugal Universidade de Lisboa, Portugal Universidade de Aveiro, Portugal KDBI Nuno Marques Paulo Cortez João Moura Pires Luı́s Cavique Manuel Filipe Santos Margarida Cardoso Robert Stahlbock Zbigniew Michalewicz Universidade Nova de Lisboa, Portugal Universidade do Minho, Portugal Universidade Nova de Lisboa, Portugal Universidade Aberta, Portugal Universidade do Minho, Portugal ISCTE, Portugal University of Hamburg, Germany University of Adelaide, Australia Organization IX MASTA Ana Paula Rocha Paulo Urbano César Analide Universidade do Porto, Portugal Universidade de Lisboa, Portugal Universidade do Minho, Portugal SSM Luis Antunes Marco Janssen Antônio Rocha Costa Laszlo Gulyas Universidade de Lisboa, Portugal Arizona State University, USA Universidade Católica de Pelotas, Brazil Lorand Eotvos University, Hungary TEMA Joaquim Ferreira da Silva Gabriel Pereira Lopes Gaël Dias Vitor Jorge Rocio Universidade Universidade Universidade Universidade Nova de Lisboa, Portugal Nova de Lisboa, Portugal da Beira Interior, Portugal Aberta, Portugal WNI Alı́pio M. Jorge Alneu de Andrade Lopes Solange Rezende Universidade do Porto, Portugal Universidade de São Paulo, Brazil Universidade de São Paulo, Brazil Program Committee AITUM Ana Almeida, Portugal Constantinos Antoniou, USA Ana Bazzan, Brazil Moshe Ben-Akiva, USA Carlos Bento, Portugal João Bento, Portugal Eduardo Camponogara, Brazil Hussein Dia, Australia Alberto Fernandez, Spain Franziska Klügl, Sweden Henry Liu, USA Kai Nagel, Germany Luı́s Nunes, Portugal Eugénio Oliveira, Portugal Luı́s Osório, Portugal Sascha Ossowski, Spain Francisco C. Pereira, Portugal Luı́s Paulo Reis, Portugal Giovanna Di Marzo Serugendo, UK Agachai Sumalee, Hong Kong Shuming Tang, China José Telhada, Portugal Harry Timmermans, The Netherlands Giuseppe Vizzari, Italy Fei-Yue Wang, USA Geert Wets, Belgium Danny Weyns, Belgium Chris Zegras, USA ALEA Helio Barbosa, Brazil Ernesto Costa, Portugal Peter Eggenberger, Denmark X Organization Carlos M. Fernandes, Portugal Carlos M. Fonseca, Portugal Inman Harvey, UK Francisco Herrera, Spain Colin G Johnson, UK Fernando Lobo, Portugal Pedro Mariano, Portugal Fernando M. Melicio, Portugal José Ferreira Mendes, Portugal Juan Julián Merelo, Spain Francisco B. Pereira, Portugal José A. Pereira, Portugal Vitorino Ramos, Portugal Marc Schonenauer, France Sara Silva, Portugal Miroslav Snorek, Czech Republic CMBSB Alexessander Alves, UK Paulo Azevedo, Portugal Pierre Baldi, USA Lourdes Borrajo, Spain Philip Bourne, USA Pavel Brazdil, Portugal Chris Bystroff, USA André Carvalho, Brazil Vı́tor Santos Costa, Portugal Francisco Couto, Portugal Luc Dehaspe, Belgium Fernando Diaz-Gomez, Spain Inês Dutra, Portugal Timothy Ebbels, UK Fazel Famili, Canada Eugénio C. Ferreira, Portugal Nuno Fonseca, Portugal Elaine Holmes, UK Eva Iglesias, Spain Hasan Jamil, USA Alı́pio M. Jorge, Portugal Rosalia Laza, Spain Rui Mendes, Portugal José Mendez-Reboredo, Spain Kiran Patil, Denmark Reyes Pavon, Spain Enrique C. Pelaez, Spain Yonghong Peng, UK Arlo Zan Randall, USA Isabel Rocha, Portugal Luı́s M. Rocha, USA Marie-France Sagot, France Santiago Schnell, USA Mário Silva, Portugal Jorge Vieira, Portugal Mohammed Zaki, USA COLA Salvador Abreu, Portugal Manuel Ojeda Aciego, Spain José Júlio Alferes, Portugal Grigoris Antoniou, Greece Vı́tor Santos Costa, Portugal Bart Demoen, Belgium Inês Dutra, Portugal Paulo Gomes, Portugal Gopal Gupta, USA Pascal Hitzler, Germany Priscila Lima, Brazil Frank Pfenning, USA Enrico Pontelli, USA Nuno Silva, Portugal Umberto Straccia, Italy Terrance Swift, Portugal David Warren, USA Gregory Wheeler, Portugal EAC César Analide, Portugal Luis Antunes, Portugal Robert Axtell, USA Win Burleson, USA Lola Canamero, UK Amı́lcar Cardoso, Portugal Cristiano Castelfranchi, Italy Helder Coelho, Portugal Nigel Gilbert, UK Samer Hassan, Spain Jennifer Healey, USA Organization Ian Horswill, USA Eva Hudlicka, USA José Machado, Portugal Goreti Marreiros, Portugal Stacy Marsella, USA José Maia Neves, Portugal Paulo Novais, Portugal Andrew Ortony, USA Ana Paiva, Portugal Juan Pavón, Spain Paolo Petta, Austria Boon Kiat Quek, Singapore Carlos Ramos, Portugal Ricardo Santos, Portugal Michelle See, Singapore Juan Velásquez, USA Yinping Yang, Singapore GAI Salvador Abreu, Portugal Michael Anderson, USA Francisco Azevedo, Portugal Pedro Barahona, Portugal Carlos Bento, Portugal Luı́s Camarinha-Matos, Portugal Amı́lcar Cardoso, Portugal Helder Coelho, Portugal Jonathan Connell, USA Juan Corchado, Spain Luı́s Correia, Portugal Anna Really Costa, Brazil Ernesto Costa, Portugal Manuel Delgado, Spain Gaël Dias, Portugal Inês Dutra, Portugal Florentino Fdez-Riverola, Spain Cipriano Galindo, Spain Pedro Rangel Henriques, Portugal João Leite, Portugal Gabriel Pereira Lopes, Portugal Inês Lynce, Portugal José Machado, Portugal Rui Mendes, Portugal Bernd Neumann, Germany Arlindo Oliveira, Portugal Eugénio Oliveira, Portugal Luis Moniz Pereira, Portugal José Carlos Prı́ncipe, USA Ricardo Rabelo, Brazil Carlos Ramos, Portugal Fariba Sadri, UK Manuel Filipe Santos, Portugal Paulo Urbano, Portugal Zita Vale, Portugal Rosa Vicari, Brazil Michael Witbrock, USA IROBOT César Analide, Portugal Gabriella Sanniti Di Baja, Italy Stephen Balakirsky, USA Jacky Baltes, Canada Reinaldo Bianchi, Brazil Hans-Dieter Burkhard, Germany Carlos Carreto, Portugal Xiaoping Chen, China Luı́s Correia, Portugal Augusto Loureiro da Costa, Brazil Jorge Dias, Portugal Marco Dorigo, Belgium Paulo Gonçalves, Portugal Huosheng Hu, UK Nuno Lau, Portugal Luı́s Seabra Lopes, Portugal António Paulo Moreira, Portugal António José Neves, Portugal Urbano Nunes, Portugal Paulo Oliveira, Portugal Fernando Osório, Brazil Enrico Pagello, Italy Fernando Lobo Pereira, Portugal Armando J. Pinho, Portugal Mikhail Prokopenko, Australia Luı́s Paulo Reis, Portugal Fernando Ribeiro, Portugal Maria Isabel Ribeiro, Portugal Martin Riedmiller, Germany Jose Miguel Sanchiz, Spain XI XII Organization Eduardo Silva, Portugal Armando Sousa, Portugal Guy Theraulaz, France Flavio Tonidandel, Brazil Paulo Urbano, Portugal KDBI António Abelha, Portugal Vasilis Aggelis, Greece Victor Alves, Portugal Carlos Alzate, Belgium Orlando Belo, Portugal Agnès Braud, France Rui Camacho, Portugal Logbing Cao, Australia Emilio Carrizosa, Spain André Carvalho, Brazil Ning Chen, Portugal José Costa, Brazil Mário Figueiredo, Portugal Cristian Figueroa-Sepulveda, Chile João Gama, Portugal Peter Geczy, Japan Paulo Gomes, Portugal Pascal Hitzler, Germany Beatriz de la Iglesia, UK Wolfgang Jank, USA Stéphane Lallich, France Philippe Lenca, France Stefan Lessmann, Germany Wolfram-M. Lippe, Germany Victor Lobo, Portugal José Machado, Portugal Ernestina Menasalvas, Spain Armando Mendes, Portugal Patrick Meyer, France João Pedro Neto, Portugal José Maia Neves, Portugal Fátima Rodrigues, Portugal Joaquim Ferreira da Silva, Portugal Carlos Soares, Portugal Murat Caner Testik, Turkey Theodore Trafalis, USA Armando Vieira, Portugal Gregory Wheeler, Portugal MASTA César Analide, Portugal Luis Antunes, Portugal João Balsa, Portugal Ana Bazzan, Brazil Reinaldo Bianchi, Brazil Luis Botelho, Portugal Amı́lcar Cardoso, Portugal Helder Coelho, Portugal Antônio Rocha Costa, Brazil Yves Demazeau, France Virginia Dignum, The Netherlands Edmund Durfee, USA Michael Fisher, UK Graça Gaspar, Portugal Marie-Pierre Gleizes, France Wojtek Jamroga, Germany Nuno Lau, Portugal Paulo Leitão, Portugal Jorge Louçã, Portugal Luis Macedo, Portugal José Machado, Portugal Andreia Malucelli, Brazil Carlos Martinho, Portugal John-Jules Meyer, The Netherlands Jörg Müller, Germany Paulo Novais, Portugal Luı́s Nunes, Portugal Oliver Obst, Australia Eugénio Oliveira, Portugal Andrea Omicini, Italy Julian Padget, UK Paolo Petta, Austria Isabel Praca, Portugal Mikhail Prokopenko, Australia Luı́s Paulo Reis, Portugal Ana Paula Rocha, Portugal Rosaldo Rossetti, Portugal Jordi Sabater, Spain Jaime Sichman, Brazil Paulo Urbano, Portugal Organization SSM Frederic Amblard, France Pedro Andrade, Brazil Robert Axtell, USA João Balsa, Portugal Ana Bazzan, Brazil Pedro Campos, Portugal Amı́lcar Cardoso, Portugal Claudio Cioffi-Revilla, USA Helder Coelho, Portugal Nuno David, Portugal Paul Davidsson, Sweden Guillaume Deffuant, France Alexis Drogoul, France Julie Dugdale, France Bruce Edmonds, UK Nigel Gilbert, UK Nick Gotts, UK Samer Hassan, Spain Rainer Hegselmann, Germany Wander Jager, The Netherlands Michel Klein, The Netherlands Jorge Louçã, Portugal Fernando Neto, Brazil Mario Paolucci, Italy Juan Pavón, Spain Carlos Ramos, Portugal Juliette Rouchier, France Keith Sawyer, USA Jaime Sichman, Brazil Carles Sierra, Spain Elizabeth Sklar, USA Ron Sun, USA Keiki Takadama, Japan Jan Treur, The Netherlands Klaus Troitzsch, Germany Harko Verhagen, Sweden TEMA António Branco, Portugal Pavel Brazdil, Portugal Eric de la Clergerie, France Guillaume Cleuziou, France XIII Luisa Coheur, Portugal Walter Daelemans, Belgium Gaël Dias, Portugal Antoine Doucet, France Tomaz Erjavec, Slovenia Pablo Gamallo, Spain Pablo Gervás, Spain Adam Kilgarriff, UK Mark Lee, UK Gabriel Pereira Lopes, Portugal Belinda Maia, Portugal Nuno Mamede, Portugal Nuno Marques, Portugal Veska Noncheva, Bulgaria Maria das Graças Volpe Nunes, Brazil Manuel Palomar, Spain Paulo Quaresma, Portugal Vitor Jorge Rocio, Portugal Irene Rodrigues, Portugal Antonio Sanfilippo, USA Frédérique Segond, France Joaquim Ferreira da Silva, Portugal Aline Villavicencio, Brazil Spela Vintar, Slovenia Christel Vrain, France Katerzyna Wegrzyn-Wolska, France Pierre Zweigenbaum, France WNI Sarabjot Anand, UK Paulo Azevedo, Portugal José Luı́s Borges, Portugal Pavel Brazdil, Portugal Pedro Campos, Portugal Gaël Dias, Portugal Alı́pio M. Jorge, Portugal José Paulo Leal, Portugal Alneu de Andrade Lopes, Brazil Nuno Marques, Portugal Maria Carolina Monard, Brazil Maria Cristina F. de Oliveira, Brazil Thiago Pardo, Brazil Lubos Popelinsky, Czech Republic Solange Rezende, Brazil XIV Organization Eduarda Mendes Rodrigues, UK Giovanni Semeraro, Italy Mário Silva, Portugal Carlos Soares, Portugal Maarten van Someren, Netherlands External Reviewers Susana Aguiar, UK Bettina Berendt, Belgium Anders Christensen, Portugal Ruth Cobos, Spain Debora Donato, Spain Grzegorz Dziczkowski, France Luiz Faria, Portugal Sylvie Guillaume, France Aleem Hossain, UK Ido Iurgel, Portugal Jonathan Klein, USA Yue-Shi Lee, Taiwan Zhao Liang, Brazil Honghai Liu, UK A. Gil Lopes, Portugal Henrique Lopes Cardoso, Portugal Analia Lourenco, Portugal Ana Madureira, Portugal P. Mahanti, Canada Florent Masseglia, France Jackson Matsuura, Portugal Dunja Mladenic, Slovenia Cristi Munteanu, Spain Kvsvn Raju, India Arnau Ramisa, Spain Joaquim Reis, Portugal Ricardo Rocha, Portugal Jose Sanchiz, Spain Maguelonne Teisseire, France Joana Urbano, Portugal Antonio Varlaro, Italy Gary Weiss, USA Nicolau Werneck, Brazil Geert Wets, Belgium Denis Wolf, Brazil Weizhong Yan, USA Show-Jane Yen, Taiwan