Progress in Artificial Intelligence 13th Portuguese Conference o
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Subseries of Lecture Notes in Computer Science
4874
José Neves Manuel Filipe Santos José Manuel Machado (Eds.)
Progress in Artificial Intelligence 13th Portuguese Conference on Aritficial Intelligence, EPIA 2007 Workshops: GAIW, AIASTS, ALEA, AMITA, BAOSW BI, CMBSB, IROBOT, MASTA, STCS, and TEMA Guimarães, Portugal, December 3-7, 2007 Proceedings
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Series Editors Jaime G. Carbonell, Carnegie Mellon University, Pittsburgh, PA, USA Jörg Siekmann, University of Saarland, Saarbrücken, Germany Volume Editors José Neves Manuel Filipe Santos José Manuel Machado Universidade do Minho Departamento de Informática 4710-057 Braga, Portugal E-mail: {jneves, mfs, jmac}@di.uminho.pt
Library of Congress Control Number: 2007939905
CR Subject Classification (1998): I.2, H.2, F.1, H.3, D.1.6 LNCS Sublibrary: SL 7 – Artificial Intelligence ISSN ISBN-10 ISBN-13
0302-9743 3-540-77000-3 Springer Berlin Heidelberg New York 978-3-540-77000-8 Springer Berlin Heidelberg New York
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Preface
The 13th Portuguese Conference on Artificial Intelligence, EPIA 2007, took place in the old city of Guimar˜ aes and was sponsored by the University of Minho and APPIA, the Portuguese Association for Artificial Intelligence. The city of Guimar˜ aes is classified as a UNESCO World Cultural Heritage, being located in the North of Portugal, in the Minho Region, approximately 350 Km north of the capital, Lisbon, and about 50 Km from the second largest city, the city of Oporto. Guimar˜ aes has its origin in times previous to the foundation of the Portuguese nationality, the place where Portugal was born in the twelveth century. It is proudly referred to as the Cradle of the Nation. EPIA was firstly held in the city of Oporto, in 1985. Its purpose was to promote the research in artificial intelligence (AI) and the scientific exchange among AI researchers, practitioners, scientists and engineers. The conference is devoted to all areas of artificial intelligence and covers both theoretical and foundational issues as well as applications. As in previous editions, the program was prearranged in terms of workshops dedicated to specific themes of AI, invited lectures, tutorials and sessions, all selected according
