Norm consistency in electronic institutions.
XVII Brazilian Symposium on Artificial Intelligence - SBIA'04 LNAI 3171. :494-505.
On some Substructural Aspects of t-Norm Based Logics.
Proceedings of the Tenth International Conference IPMU 2004. Information Processing and Management of Uncertainty in Knowledge-Base Systems. :545–552.
On the evaluation of DisCSP algorithms.
The Fifth International Workshop on Distributed Constraint Reasoning (DCR04) Toronto, Canada September 27, 2004 held in conjunction with Tenth International Conference on Principles and Practice of Constraint Programming (CP 2004). :142-151.
Similarity-based fuzzy interpolation method.
Tenth international conference information processing and management of uncertainty in knowledge-based systems. IPMU 2004 Proceedings. II:1443-1449.
Towards the definition of fuzzy measures for fuzzy systems.
Current issues in data and knoledge engineering. Proceedings of EUROFUSE 2004. :541-548.