- ILP, volume 2835 of Lecture Notes in Computer Science, page 215--232. Springer, (2003)
- Proceedings of the 4th International Conference on Principles of Knowledge Representation and Reasoning, page 121--133. Bonn, FRG, Morgan Kaufmann, (May 1994)
- Proceedings of the 12th International Conference on Inductive Logic Programming, volume 2583 of Lecture Notes in Artificial Intelligence, page 117--132. Springer-Verlag, (2003)
- HIS, page 68--73. IEEE Computer Society, (2004)
- (2006)
- Lecture Notes in Computer Science (2000)
- International Semantic Web Conference, volume 3298 of Lecture Notes in Computer Science, page 441--455. Springer, (2004)
- IEA/AIE, volume 3533 of Lecture Notes in Computer Science, page 370--379. Springer, (2005)


user