Papers in proceedings

• Paulo Quaresma, Irene Rodrigues, Gabriel Pereira Lopes, Teresa Almeida, Elsa Garcia and Ana Lima, PGR Project: The Portuguese Attorney General Decisions on the Web, in: C. Ciampi and E. Marinai (eds), Proceedings of The Law in the Information Society, Instituto per la documentazione giuridica del CNR, Florence, Italy, December 1998.
• Rafaela Azinhal and Fernando Moura Pires, Comparing Sequential and Distributed Genetic Algorithms: Performance Measures and Results, ANNIE98- Artificial Neural Networks in Engineering, ASME Press, Smart Engineering Systems Laboratory, Department of Engineering Management, November 1998.
• Pedro Barahona, Defeasible Constraint Solving over the Booleans, in: Hélder Coelho (eds), Progress in Artificial Intelligence - Iberamia 98, Lecture Notes in Artificial Intelligence, Springer, Lisbon, Vol. 1484, Pag. 397-408, October 1998.
• Francisco Azevedo and Pedro Barahona, Generation of Test Patterns for Differential Diagnosis of Digital Circuits, in: M.Maher and J.-F. Puget (eds), Principles and Practice of Constraint Programming - CP98, Lecture Notes in Computer Science, Springer, Lisbon, Vol. 1520, Pag. 462, October 1998.
• Francisco Azevedo and Pedro Barahona, Generation of Test Patterns for Differential Diagnosis of Digital Circuits, in: K. Apt, P. Codognet and E. Monfroy (eds), Procs. of ERCIM/COMPULOG Workshop on Constraints, Amsterdam, September 1998.
• Luís Moniz Pereira and Paulo Quaresma, Modelling Agent Interaction in Logic Programming, in: Osamu Yoshie (eds), INAP'98 - The 11th International Conference on Applications of Prolog, Science University of Tokyo, Tokyo, Japan, Pag. 150-156, September 1998.
• Teresa Gonçalves and Fernando Moura Pires, Using the ARQ function to classify unseen objects, 4th International Conference on Information Systems Analysis and Synthesis, August 1998.
• Isabel L. Nunes, Rita Almeida Ribeiro and Virgilio Machado, ERGO-X, A Fuzzy Expert System for the Design of Workstations, 1st World Congress on Ergonomics for Global Quality and Productivity, July 1998.
• Paulo Quaresma and Irene Rodrigues, Modeling users in a web based Information Retrieval System, in: Nagib Callaos, Hong Yu and Angel Garcia (eds), Proceedings of the World Multiconference on Systemics, Cybernetics and Informatics, IIIS Orlando, Orlando, USA, Vol. 3, ISBN 980-07-5080-0, Pag. 309-316, July 1998.
• Vitor Sousa Lobo, Nuno Filipe Cabrita Bandeira and Fernando Moura Pires, Distributed Kohonen Networks for Passive Sonar based classification, Proceedings of the 1998 International Conference on Multisource-Multisensor Information Fusion, Pag. 6, June 1998.
• Isabel L. Nunes, Rita Almeida Ribeiro and Virgilio Machado, ERGO-X A System to deal with Risk factors Related with Cumulative trauma Disorders, Proceedings of the II European Symposium of Ergonomics, June 1998.
• Paulo Quaresma and Irene Rodrigues, Keeping Context in Web Interfaces to Legal Text Databases, in: C. Roquilly (eds), Proceedings of the 2nd French-American Conference on AI&LAW, EDHEC, Nice, France, June 1998.
• Lamma, E., Riguzzi, F. and Luís Moniz Pereira, Learning in a Three-valued Setting, in: J.Lloyd (eds), Compulog-Net and MachineLearning-Net workshop at JICSLP'98, Manchester, June 1998.
• Lamma, E., Luís Moniz Pereira and Riguzzi, F., Learning with extended logic programs, KR'98 Workshop on Non-Monotonic Reasoning (LP Track), Trento, Italy, June 1998.
• Lamma, E., Riguzzi, F. and Luís Moniz Pereira, Strategies for Learning with Extended Logic Programs, Workshop on Multistrategy Learning, Desenzano di Garda, Italia, June 1998.
• Fernando Moura Pires and Rita Almeida Ribeiro, A New Risk Function for Fuzzy Linear Programming, World Automation Congress (WAC´98), Alaska, May 1998.
• Vitor Sousa Lobo, Roman Swiniarski and Fernando Moura Pires, Pruning a classifier based on a Self-Organizing Map using Boolean function formalization, IJCNN - WCCI 98, IEEE, Pag. 6, May 1998.
• Vitor Sousa Lobo, Nuno Filipe Cabrita Bandeira and Fernando Moura Pires, Ship recognition using Distributed Self Organizing Maps, Proceedings of the 1998 International Conference on Engineering Applications of Neural Networks, May 1998.
• Gabriel Pereira Lopes, Overcoming incomplete lexical information, Workshop ELSNET in Wonderland, Soesterberg, Holland, ELSNET, Utrecht, Holland, Pag. 114-116, March 1998.
• P. Móra, Gabriel Pereira Lopes, Hélder Coelho and R. Viccari, Modelling Agents with Extended Logic Programming, Proceedings of the Engineering of Intelligent Systems Conference (EIS'98), Tenerife, Canárias, Espanha, February 1998.
• Carlos Viegas Damásio and Luís Moniz Pereira, A general tabulation procedure for extended constraint logic programs, First Workshop on Tabulation, Parsing and Deduction, 1998.
• R. S. Wazlawick and Gabriel Pereira Lopes, A massively parallel architecture for natural language parsing - some results, in: F. Moreira (eds), Advances In Artificial Intelligence: 14th Brazilian Symposium on Artificial Intelligence - SBIA'98, Porto Alegre, Brazil, November 1998, Proceedings, Lecture Notes in Artificial Intelligence, Springer, Berlin, Germany, Pag. 93-100, 1998.
• João Costa Seco, Carlos Pinto-Ferreira and Luís Correia, A Society of Agents in Environmental Monitoring, in: Rolf Pfeifer, Bruce Blumberg, Jean-Arcady Meyer and Stewart Wilson (eds), From Animals to Animats 5, MIT Press, Pag. 447-452, 1998.
• Paulo Monteiro and Luís Correia, Adaptive Telecommunication Network Traffic Control - A Multi-Agent System Approach, Proceedings of the Second Ibero-American Workshop on DAI and Multiagent Systems, Toledo, Spain, 1998.
• Teresa Gonçalves and Fernando Moura Pires, An Attribute Redundancy Measure for Clustering, to appear in Twelfth Canadian Conference on Artificial Intelligence, 1998.
• I. Móra, José Júlio Alferes and M. Schroeder, Argumentation and cooperation for distributed extended logic programs, in: G. Brewka, Juergen Dix and J. Lobo (eds), NonMonotonic Reasoning Workshop, Univ. Koblenz-Landau editions, 1998.
• I. Móra and José Júlio Alferes, Argumentative and cooperative multi-agent system for extended logic programming, Brazilian Symposium on Artificial Intelligence (SBIA'98), Lecture Notes on Artificial Intelligence, Springer, 1998.
• P. Móra, Gabriel Pereira Lopes, Hélder Coelho and R. Viccari, BDI Models and Systems: reducing the gap, in: J. P. Muller, M. P. Sing and A. S. Rao (eds), ATAL'98 -5th International Workshop on Agent Theories, Architectures, and Languages, Cite des Sciences - La Villette, Paris, France, July 4-7, Pre-Proceedings), Université Pierre et Marie Curie/CNRS, Pag. 153-167, 1998.
• José Júlio Alferes, João Alexandre Leite, Luís Moniz Pereira, H. Przymusinska and T. Przymusinski, Dynamic Logic Programming, in: A. Cohn and L.Schubert (eds), International Conference on Knowledge Representation and Reasoning - KR98, Morgan Kaufmann, Pag. 98-109, 1998.
• José Júlio Alferes, João Alexandre Leite, Luís Moniz Pereira, H. Przymusinska and T. Przymusinski, Dynamic Logic Programming, in: J. L. Freire Nistal, M. Falaschi and M. Villares Ferro (eds), Joint International Conference on Declarative Programming, UTE y Copy Belen SL, Pag. 393-408, 1998.
• João Alexandre Leite and Luís Moniz Pereira, Generalizing Updates: From Models to Programs, Logic Programming and Knowledge Representation, Third International Workshop, LPKR '97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers, Lecture Notes in Computer Science, Springer, Vol. 1471, ISBN 3-540-64958-1, Pag. 224-246, 1998.
• B. B. Garcia and Gabriel Pereira Lopes, Incorporating Specificity in Extended Logic Programs for Belief Revision, in: Diane J. Cook (eds), FLAIRS - , Proceedings of the Eleventh International Florida Artificial Intelligence Research Symposium Conference, Sanibel Island, Florida, American Association for Artificial Intelligence, AAAI, Menlo Park, California, USA, Pag. 215-219, 1998.
• B. B. Garcia and Gabriel Pereira Lopes, Introducing plausibility measures in the process of belief revision through extended logic programs, in: Henri Prade (eds), ECAI98. 13th European Conference on Artificial Intelligence, Wiley, Chichester, 1998.
• João Alexandre Leite and Luís Moniz Pereira, Iterated Logic Program Updates, Proceedings of the 1998 Joint International Conference and Symposium on Logic Programming, Manchester, UK, 15-19 June 1998, The MIT Press, ISBN 0-262-60031-5, Pag. 265-278, 1998.
• Nuno Marques, Gabriel Pereira Lopes and C. A. Coelho, Learning Verbal Transitivity Using Loglinear Models, Machine Learning: ECML-98, 10th European Conference on Machine Learning, Chemitz, Germany, April 21-23, 1998, Proceedings, Lecture Notes in Artificial Intelligence, Springer, Berlin, Germany, Pag. 19-24, 1998.
• B. B. Garcia, Gabriel Pereira Lopes and Paulo Quaresma, Modelling Credulity and Skepticism through Plausibility Measures, in: F. Moreira (eds), Advances In Artificial Intelligence: 14th Brazilian Symposium on Artificial Intelligence - SBIA'98, Porto Alegre, Brazil, November 1998, Proceedings, Lecture Notes in Artificial Intelligence, Springer, Berlin, Germany, Pag. 171-180, 1998.
• João Costa Seco, Carlos Pinto-Ferreira and Luís Correia, Multiagents and Pollutant Monitoring, in: Hélder Coelho (eds), Progresso em Inteligência Artificial, Edições Colibri, Pag. 403-414, 1998.
• Ana Moreira, Rita Almeida Ribeiro, E. Declercq, O. Schinas, P. Guerreiro and G. Janssen, Optimal location of intermodal terminals in Europe: An Evaluation Model, European Congress on Intelligent Techniques and Soft Computing (EUFIT), Aachen, Germany, 1998.
• Gabriel Pereira Lopes and João Balsa, Overcoming incomplete information in NLP systems - verb subcategorization, in: Fausto Giunchiglia (eds), Artificial Intelligence: Methods Systems and Applications, 8th International Conference, AIMSA'98, Sozopol, Bulgaria, September 1998, Proceedings, Lecture Notes in Artificial Intelligence, Springer, Berlin, Germany, Pag. 331-340, 1998.
• Vitor Rocio and Gabriel Pereira Lopes, Partial Parsing, deduction and Tabling, in: B. Lang (eds), Actes des premières Journées sur la Tabulation en Analyse Syntaxique et Déduction (Proceedings of the Workshop on Tabulation in Parsing and Deduction), April 2-3,1998. Paris, INRIA, Rocquencourt, France, Pag. 52-59, 1998.
• Carlos Viegas Damásio, Resumo da dissertação "Paraconsistent Extended Logic Programming with Constraints", in: Hélder Coelho (eds), I Concurso Ibero-Americano de Teses e Dissertações em Inteligência Artificial do VI Congresso Ibero-Americano de Inteligência Artificial (IBERAMIA'98), Edições Colibri, Pag. 481-492, Segundo classificado, 1998.
• Mario S. Marques and Rita Almeida Ribeiro, Sistema de Apoio a Decisão, Baseado em lógica Difusa, para a gestão de Prioridades de Reparação de Avarias de Equipamentos, em Situação de Combate, Actas do Seminário Projecto, Construção e Manutenção de Navios, 1998.
• João Moura Pires, Fernando Moura Pires and Rita Almeida Ribeiro, Structure and Properties of Leximin FCSP and its Influence on Optimisation Algorithms, Proceedings of the International Processing and Management and Uncertainty 1998, 1998.
• José Júlio Alferes and Luís Moniz Pereira, Tabling Abduction, in: B. Lang and E. Clergerie (eds), 1st International Workshop on Tabulation in Parsing and Deduction - TAPD'98, Paris, France, Pag. 75-82, 1998.
• Nuno Filipe Cabrita Bandeira, Vitor Sousa Lobo and Fernando Moura Pires, Training a Self-Organizing Map distributed on a PVM network, Proceedings of the International Joint Conference on Neural Networks 1998, IEEE, Pag. 5, 1998.
• José Júlio Alferes, João Alexandre Leite, Luís Moniz Pereira, H. Przymusinska and T. Przymusinski, Updates of Logic Programs by means of Logic Programs, 7th International Symposium on Inteligent Information Systems - IIS'98, Malbork, Polland, 1998.
• Nuno Marques, C. A. Coelho and Gabriel Pereira Lopes, Using Loglinear clustering forSsubcategorization Identification, in: J. Zytkov and M.Quafafou (eds), Principles of Data Mining and Knowledge Discovery, 2nd European Symposium, PKDD'98, Nantes, France September, 1998, Proceedings, Lecture Notes in Artificial Intelligence, Springer, Berlin, Germany, Pag. 379-387, 1998.