S. Heymans, D. Nieuwenborgh, and D. Vermeir. Proc. of Fourth International Symposium on Foundations of Information and Knowledge Systems (FoIKS 2006), volume 3861 of Lecture Notes in Computer Science, page 179-200. Budapest, Hungary, Springer, (2006)
M. Jarrar, and S. Heymans. Proc. of International Conference on Semantics of a Networked World (ICSNW 2006), Current Trends in Database Technology (EDBT 2006), volume 4254 of Lecture Notes in Computer Science, page 517-534. Munich, Germany, Springer, (2006)
D. Nieuwenborgh, M. Vos, S. Heymans, and D. Vermeir. Proc. of Seventh Workshop on Computational Logic in Multi-Agent Systems (CLIMA-VII), volume 4371 of Lecture Notes in Artificial Intelligence, page 20-40. Springer, (2006)
D. Nieuwenborgh, S. Heymans, and D. Vermeir. Proc. of 17th European Conference on Artificial Intelligence (ECAI 2006), volume 141 of Frontiers in Artificial Intelligence and Applications, page 462-466. IOS Press, (2006)
D. Nieuwenborgh, S. Heymans, and D. Vermeir. Proc. of 22th International Conference on Logic Programming (ICLP 2006), volume 4079 of Lecture Notes in Computer Science, page 226-241. Springer, (2006)
J. de Bruijn, and S. Heymans. Proc. of Second International Conference on Rules and Rule Markup Languages for the Semantic Web (RuleML 2006), page 7-16. IEEE Computer Society, (2006)