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.