user- Annals of Mathematics and Artificial Intelligence Special Issue on Answer Set Programming 47(1-2):103-137 (June 2006)
- Theoretical Computer Science Lab TINF, Department of Computer Science, Vrije Universiteit Brussel, PhD Thesis, (February 2006)
- 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)
- 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)
- 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)
- Proc. of Reasoning on the Web workshop RoW 2006, (2006)
- 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)
- Proc. of 22th International Conference on Logic Programming ICLP 2006, volume 4079 of Lecture Notes in Computer Science, page 226-241. Springer, (2006)
- Proc. of ICLP'06 Workshop on Applications of Logic Programming in the Semantic Web and Semantic Web Services ALPSWS 2006, (2006)
- Proc. of Second International Conference on Rules and Rule Markup Languages for the Semantic Web RuleML 2006, page 7-16. IEEE Computer Society, (2006)
- Proc. of WICI International Workshop on Web Intelligence WI meets Brain Informatics BI WImBI 2006, volume 4845 of Lecture Notes in Computer Science, page 367-381. Springer, (2006)
