author- AAAI/IAAI, page 900-905. AAAI Press / The MIT Press, (2002)
- ER, volume 6412 of Lecture Notes in Computer Science, page 76-89. Springer, (2010)
- Proceedings of the 9th International Conference on the Principles of Knowledge Representation and Reasoning, (2004)
- International Conference on Advanced Information Systems, Amsterdam, (June 2009)in press .
- ASE, page 447-450. IEEE, (2008)
- ETX, page 55-59. ACM, (2007)
- MoDELS Doctoral Symposium, volume 262 of CEUR Workshop Proceedings, CEUR-WS.org, (2007)
- KR, page 507-515. AAAI Press, (2004)
- Proceedings of the Conference on Knowledge Representation and Reasoning - KR-2004, page 507-515. AAAI Press, (June 2004)
- IJCAI, page 1496-. Morgan Kaufmann, (2003)
