Papers in proceedings

• Carlos Viegas Damásio, Luís Moniz Pereira and Terrance Swift, Coherent Well-founded Annotated Logic Programs, in: M.Gelfond, N. Leone and G. Pfeifer (eds), 5th International Conference on Logic Programming and Nonmonotonic Reasoning, Springer, Vol. LNAI, Pag. 262-276, December 1999.
• José Júlio Alferes, Luís Moniz Pereira, H. Przymusinska and T. C. Przymusinski, LUPS - a language for updating logic programs, in: M. Gelfond, N. Leone and G. Pfeifer (eds), 5th International Conference on Logic Programming and Nonmonotonic Reasoning, Springer, Vol. LNAI-1730, Pag. 162-176, December 1999.
• N. F. C. Bandeira, Vitor Sousa Lobo and Fernando Moura Pires, EEG/ECG data fusion using Self-Organising Maps, International Conference on Data Fusion - EuroFusion99, October 1999.
• Luís Correia, Fernando Moura Pires and Joaquim Nunes Aparício, Expressing Population Based Optimization Heuristics using PLATO, EPIA99 - Encontro Português de Inteligência Artificial, September 1999.
• A. Abreu and Luís Correia, Fuzzy Behaviors and Behavior Arbitration in Autonomous Vehicles, in: Pedro Barahona and José Júlio Alferes (eds), EPIA'99 - 9th Portuguese Conference on Artificial Intelligence, Springer, Vol. LNCS, Pag. 237-251, September 1999.
• C. S. Castelhano, S. R. Barros, Rita Almeida Ribeiro and Ana Moreira, Fuzzy intelligent Queries on the 500 Biggest Portuguese Companies, European Congress on Intelligent Techniques and Soft Computing, EUFIT'99, September 1999.
• M. Ferrand, João Alexandre Leite and A. Cardoso, Hypothetical Reasoning: an application to Optical Music Recognition, in: M. C. Meo and M. V. Ferro (eds), APPIA-GULP-PRODE'99 Joint Conference on Declarative Programming (AGP'98), Pag. 367-381, September 1999.
• M. Ferrand, João Alexandre Leite and A. Cardoso, Improving Optical Music Recognition by means of Abductive Constraint Logic Programming, in: Pedro Barahona and José Júlio Alferes (eds), Progress in Artificial Intelligence, 9th Portuguese International Conference on Artificial Intelligence (EPIA'99), Springer, Vol. LNAI 1695, Pag. 342-356, September 1999.
• Carlos Viegas Damásio and Vitor Nogueira, Negation in Transaction Programs, Joint Conference On Declarative Programming (AGP '99), September 1999.
• José Júlio Alferes, Luís Moniz Pereira, H. Przymusinska, T. C. Przymusinski and Paulo Quaresma, Preliminary exploration on actions as updates, in: M. C. Meo and M. Vilares-Ferro (eds), Joint Conference on Declarative Programming (AGP'99), September 1999.
• M. G. M. S. Cardoso, Fernando Moura Pires and I. H. Themido, Unsupervised Learning: An Evaluation Perspective, EKDB Workshop: Extraction of Knowledge from Data Bases, Associated with EPIA'99, September 1999.
• J. F. Silva, G. Dias, S. Guilloré and Gabriel Pereira Lopes, Using LocalMaxs Algorithm for the Extraction of Contiguous and Non-contiguous Multiword Lexical Units, in: Pedro Barahona (eds), Progress in Artificial Intelligence: 9th Portuguese Conference on AI, EPIA'99, Springer, Vol. LNCS 1695, Pag. 113-132, September 1999.
• G. Guimaraes and A. Ultsch, A Method for Temporal Knowledge Conversion - Advances in Intelligent Data Analysis, in: D.J. Hand, J.N.Kok and M.R. Berthold (eds), IDA99, The Third Symposium on Intelligent Data Analysis, Springer, Vol. LNCS 1642, Pag. 369-380, August 1999.
• Susana Nascimento, B. Mirkin and Fernando Moura Pires, Multiple Prototype Model for Fuzzy Clustering, in: David J. Hand, Jost N. Kok and Michael R. Berthold (eds), Advances in Intelligent Data Analysis. Third International Symposium, IDA-99, Springer, Vol. LNCS 1642, Pag. 266-279, August 1999.
• Rita Almeida Ribeiro and Ana Moreira, Intelligent Query Model for Business Characteristics, IEEE/WSES/IMACS CSCC´99 Conference, July 1999.
• Joaquim Nunes Aparício, Luís Correia and Fernando Moura Pires, Populations are Multisets - PLATO, in: Wolfgang Banzhaf, Jason Daida, Agoston E. Eiben, Max H. Garzon, Vasant Honavar, Mark Jakiela and Robert E. Smith (eds), GECCO-99 Proceedings of the Genetic and Evolutionary Computation Conference. A Joint Meeting of the Eighth International Conference on Genetic Algorithms (ICGA-99) and the Fourth annual Genetic Programming Conference (GP-99), Morgan Kaufmann, Pag. 1845-1850, July 1999.
• E. Lamma, F. Riguzzi and Luís Moniz Pereira, Learning Three-Valued Logic Programs, in: S. Dzeroski and P. Flach (eds), Late breaking papers proceedings of the Ninth International Workshop on Inductive Logic Programming (ILP'99), Pag. 30-35, June 1999.
• T. C. Gonçalves, C. Brito and Fernando Moura Pires, TV Audience Analysis and Prediction, CIMA'99 - Proceedings of the ICSC Congress on Computational Intelligence Methods and Applications, ICSC - International Computer Science Conventions, on CDROM, June 1999.
• P. Froehlich, Carlos Viegas Damásio, W. Nejdl, Luís Moniz Pereira and M. Schroeder, Using Extended Logic Programming for Alarm-Correlation in Cellular Phone Networks, Twelfth International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems IEA/AIE-99, Springer, May 1999.
• T. C. Gonçalves, C. Brito and Fernando Moura Pires, A TV Audience Prediction Model, PAKDD'99 3rd Pacific-Asia Conference on Knowledge Discovery and Data Mining, April 1999.
• I. L. Nunes and Rita Almeida Ribeiro, Fuzzy Evaluation Module of ERGO\_X, IFORS SPC-9 Conference on Intelligent and Active DSS, Pag. 92-100, April 1999.
• José Júlio Alferes, Inteligência Artificial e Psicologia: diferentes abordagens da inteligência, Congresso Internacional "Interfaces da Psicologia", Univ. Évora (Portugal) / Univ. Extremadura (Spain), March 1999.
• P. Amaral and Pedro Barahona, After Infeasibility in Linear Program Problems, Workshop on Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems, February 1999.
• Paulo Quaresma and Irene Rodrigues, A collaborative legal information retrieval system using dynamic logic programming, International Conference on AI and Law'99, ACM, Short paper, 1999.
• L. Ferreira and Salvador Abreu, A Constaint Logic Programming Framework in Java, Workshop on Parallelism and Implementation Technologies, 1999.
• J. F. Silva and Gabriel Pereira Lopes, A Local Maxima method and a Fair Dispersion Normalization for extracting multi-word units from corpora, Sixth Meeting on Mathematics of Language (MOL6), Pag. 369-381, 1999.
• Paulo Quaresma and Irene Rodrigues, A logic programming framework for cooperative information retrieval, ISAS'99 - 5th International Conference on Information System Analysis and Synthesis, 1999.
• E. Lamma, F. Riguzzi and Luís Moniz Pereira, Agents Learning in a Three-valued Logical Setting, in: A. Panayiotopoulos (eds), Workshop on Machine Learning and Intelligent Agents, in conjunction with Machine Learning and Applications, Advanced Course on Artificial Intelligence (ACAI’99), 1999.
• Paulo Quaresma and Irene Rodrigues, An information retrieval system with cooperative behavior, Nordic Conference of Computational Linguistics - NODALIDA'99, 1999.
• Vitor Rocio and Gabriel Pereira Lopes, An infra-structure for diagnosing causes for partially parsed natural language input, ACTAS-I VI Simposio Internacional de Comunicación Social, Editorial Oriente, Pag. 550-554, In 6th International Symposium on Social Communication. ISBN 959-11-0250-X, 1999.
• Jorge Cruz and Pedro Barahona, An Interval Constraint Approach to Handle Parametric Ordinary Differential Equations for Decision Support, in: J. Jaffar (eds), Principles and Practice of Constraint Programming - CP'99, Springer, Vol. LNCS 1713, Pag. 478-479, 1999.
• Ludwig Krippahl and Pedro Barahona, Applying Constraint Propagation to Protein Structure Determination, in: J. Jaffar (eds), Principles and Practice of Constraint Programming - CP'99, Springer, Vol. LNCS 1713, Pag. 289-302, 1999.
• V. J. Rocio, M. A. Alves, Gabriel Pereira Lopes, M. F. Xavier and G. Vicente, Automated creation of a partially syntactially annotated corpus of Medieval Portuguese using Contemporary Portuguese resources, in: Laurent Roussarie (eds), ATALA workshop on Treebanks (Journees ATALA sur les corpus annotes pour la syntaxe), Association pour le Traitement Automatique des Langues, Pag. 59-67, 1999.
• Michael Móra, Gabriel Pereira Lopes, Hélder Coelho and R. Viccari, BDI Models and Systems: reducing the gap, in: Jorg P. Muller, Munindar P. Singh and Anad S. Rao (eds), Agents V, Springer, Vol. LNAI 1555, 1999.
• P. Froehlich, I. Móra, W. Nejdl and M. Schroeder, Diagnosis Agents for Distributed Systems, in: J. J. Meyer and P.Y. Schobbens (eds), Formal Models of Agents, LNAI, Springer, Vol. 1760, Pag. 173-186, 1999.
• J. F. Silva and Gabriel Pereira Lopes, Extracting Multiword Terms from Document Collections, VExTAL: Venezia per il Trattamento Automatico delle Lingue, 1999.
• Jorge Cruz and Pedro Barahona, Handling Differential Equations with Constraints for Decision Support, in: Héléne Kirtchner and Christophe Ringeissen (eds), Frontiers of Combining Systems - FroCoS 2000, Lecture Notes in Artificial Intelligence, Springer, Vol. 1794, Pag. 105-120, 1999.
• G. Dias, S. Vintar, S. Guilloré and Gabriel Pereira Lopes, Identifying and integrating terminologically relevant multi-word units in the IJS-ELAN Slovene- English Parallel Corpus, in: Paola Monachesi (eds), Resumos das Comunicções ao Encontro Computational Linguistics in Netherlands, Pag. 16, 1999.
• Jorge Cruz, Pedro Barahona and F. Benhamou, Integrating Deep Biomedical Models into Medical Decision Support Systems: An Interval Constraint Approach, in: Aalborg, W. Horn, Y. Shahar, G. Lindberg, S. Andreassen and J. Wyatt (eds), Joint European Conference on Artificial Intelligence in Medicine and Medical Decision Making, Springer, Vol. LNAI, Pag. 185-194, 1999.
• G. Dias, S. Guilloré and Gabriel Pereira Lopes, Language Independent Automatic Acquisition of rigid Multiword Units from Unrestricted Text Corpora, in: Pascal Amsili and Phileppe Blache (eds), 6th. Annual conference on Traitement Automatique des Langues Naturelles (TALN99), Pag. 333-338, poster, 1999.
• G. Guimaraes, Method for Temporal Knowledge Conversion, Risk Management Meeting, 1999.
• Nuno Marques, Gabriel Pereira Lopes and C. A. Coelho, Mining Subcategorization Information by Using Multiple Feature Loglinear Models, in: Paola Monachesi (eds), Resumos das Comunicções ao Encontro "Computational Linguistics in Netherlands", Pag. 36, 1999.
• Ludwig Krippahl and Pedro Barahona, Mixed Constructive-Reparative Solving for Protein Structure Determination, in: Fernando Moura Pires, G. Guimaraes and A. Jorge (eds), 2nd International Workshop on Extraction of Knowledge from Data Bases, Pag. 109-123, associated with EPIA'99, 9th Portuguese Conference on Artificial Intelligence, 1999.
• G. Dias, S. Guilloré and Gabriel Pereira Lopes, Multiword lexical Unit Extraction, in: Chen Zhaoxiong (eds), International Conference on Machine Translation and Computer Language Information Processing (ISMT/CLIP 99), Pag. 119-125, 1999.
• G. Dias, S. Gilloré and Gabriel Pereira Lopes, Mutual Expectation: a Measure for Multiword Lexical Unit Extraction, VExTAL, Venezia per il Trattamento Automatico delle Lingue, 1999.
• V. S. de Lima, A. Carvalho, R. Wazlawick, Jaime Simão Sichman, R. Viccari, F. Moreira and Gabriel Pereira Lopes, NALAMAS - Natural language multi-agent systems: studying the subject through NALAMAS project, in: Virgílio Almeida, Celso Costa and Rosa Viccari (eds), ProTeM-CC - Phase III Projects - International Evaluation Workshop (ProTeM-CC'99), CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico, Pag. 73-98, 1999.
• Paulo Quaresma and Irene Rodrigues, PGR: A cooperative legal ir system on the web2, in: Graham Greenleaf and Andrew Mowbray (eds), 2nd AustLII Conference on Law and Internet, Invited paper, 1999.
• J. F. Silva, Gabriel Pereira Lopes, M. F. Xavier and G. Vicente, Relevant Expressions in Large Corpora, in: Anne Condamines, Cécile Fabre and Marie Paule Péry-Woodley (eds), Actes de l'atelier - Corpus et Traitement Automatique des Langues: Pour une réflexion méthodologique (TALN'99), ATALA, Pag. 86-94, 1999.
• Susana Nascimento, Soft Clustering with the Multiple Prototype Fuzzy Clustering Model*, in: F. Costa-Nicolau, H. Bacelar-Nicolau and J. Janssen (eds), Proceedings of the Applied Stochastic Models and Data Analysis (ASMDA99), Quantitative Methods in Business and Industry Society, Instituto Nacional de Estatística (INE), Lisbon, Portugal, Pag. 249-255, 1999.
• G. Guimaraes, Temporal Knowledge Conversion - The Extraction of Temporal Knowledge from Multivariate Time Series, in: Fernando Moura Pires, G. Guimaraes and A. Jorge (eds), Extraction of Knowledge from Data Bases. Procs. of the 2nd Intl. Workshop EKBD´99, Pag. 65-88, Associated to the EPIA99, 9th Portuguese Conference on Artificial Intelligence, 1999.
• G. Guimaraes, The Extraction of Temporal Knowledge from Multivariate Time Series using Self-organized Neural Networks, Analysis of Time Series in Goods Management and Production Systems, 1999.
• G. Dias, S. Guilloré and Gabriel Pereira Lopes, The Multilingual Aspects of Multiword Lexical Units, in: Spela Vintar (eds), Language Technologies Workshop, Pag. 11-21, organized in the framework of the 32nd Annual Meeting of the Societas Linguistica Europea (SLE99). ISBN 961-227-003-1, 1999.
• P. Monteiro and Luís Correia, Traffic Management - A Multi-Agent System Approach, in: C. Westphall, L. Kormann, M. Notare, B. Riso and F. Cruz (eds), IEEE LANOMS'99 - Latin American Network Operations and Management Symposium, Pag. 52-63, 1999.
• Paulo Quaresma, Irene Rodrigues, Gabriel Pereira Lopes, T. Almeida, E. Garcia and A. Lima, Um sistema de pesquisa de informação para bases de texto em Português, in: Gabriel Pereira Lopes, Paulo Quaresma and I Rodrigues (eds), Actas do PROPOR IV, IV Encontro para o Processamento Computacional da Língua Portuguesa Escrita e Falada, 1999.
• P. Dell'Acqua and Luís Moniz Pereira, Updating Agents, in: S. Rochefort, F. Sadri and F. Toni (eds), ICLP'99 Workshop on Multi-Agent Systems in Logic (MASL'99), 1999.
• Paulo Quaresma and Irene Rodrigues, Using dynamic logic programming to model cooperative dialogues, AAAI'99 Fall Symposium on Modal and Temporal Logics based Planning for Open Networked Multimedia Systems, 1999.
• José Júlio Alferes, Luís Moniz Pereira and Terrance Swift, Well-founded Abduction via Tabled Dual Programs, in: D. De Schreye (eds), 16th International Conference on Logic Programming, MIT Press, Pag. 426-440, 1999.