- J. ACM 43(3):474-523 (1996)
- J. ACM 41(6):1178-1215 (1994)
- IEEE Trans. Knowl. Data Eng. 8(5):773-785 (1996)
- ACM Trans. Database Syst. 19(2):291-331 (1994)
- ACM Trans. Database Syst. 22(3):419-469 (1997)
- ACM Trans. Database Syst. 21(2):238-269 (1996)
- ICDE, page 268-275. IEEE Computer Society, (1998)
- ICDE, page 28-37. IEEE Computer Society, (1996)
- ICDE, page 467-478. IEEE Computer Society, (2003)
- ICDE, page 940-951. IEEE, (2009)
- AAAI, page 381-386. AAAI Press / The MIT Press, (1992)
- AAAI, page 398-401. AAAI Press, (1983)
- ACM Multimedia, page 329-340. ACM Press, (1996)
- CISIM, volume 245 of Communications in Computer and Information Science, page 9-18. Springer, (2011)
- UAI, page 160-169. Morgan Kaufmann, (1999)
- UAI, page 215-222. Morgan Kaufmann, (1992)
- UAI, page 249-256. Morgan Kaufmann, (1991)
- Logic Programming, Knowledge Representation, and Nonmonotonic Reasoning, volume 6565 of Lecture Notes in Computer Science, page 347-376. Springer, (2011)
- CoRR (1999)
- CoRR (2000)


author