Papers in proceedings

• 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.