- ACM Trans. Database Syst. 16(2):235-278 (1991)
- Proceedings of the 2nd International Workshop on Ontology Matching, 304, page 301--305. http://ceur-ws.org, CEUR Workshop Proceedings, (November 2007)
- Poster+Demo Proceedings of the 6nd International Semantic Web Conference ISWC and the 2nd Asian Semantic Web Conference ASWC, page 13--14. Busan, Korea, (November 2007)
- Meth. of Logic in CS 1(1):3-19 (1994)
- J. Log. Program. 3(1):55-67 (1986)
- J. Log. Program. 1(3):225-240 (1984)
- J. Log. Program. 4(4):331-343 (1987)
- J. Log. Program. 2(2):93-109 (1985)
- Encyclopedia of Database Systems, Springer US, (2009)
- IEEE Trans. Parallel Distrib. Syst. 13(4):413-431 (2002)
- Proceedings of the 8th International Semantic Web Conference ISWC2009, volume 5318 of Lecture Notes in Computer Science, (October 2009)
- Proceedings of the 7th European Semantic Web Conference ESWC 2008, volume 5021 of Lecture Notes in Computer Science, page 245-257. Springer, (June 2008)
- Parallel Computing 28(9):1293-1305 (2002)
- Theor. Comput. Sci. (1987)
- Inf. Process. Lett. 52(1):35-38 (1994)
- Inf. Process. Lett. 18(1):33-36 (1984)
- Comput. J. 25(2):257-263 (1982)
- DEXA, volume 2113 of Lecture Notes in Computer Science, page 963-973. Springer, (2001)
- PAKDD, volume 2035 of Lecture Notes in Computer Science, page 364-375. Springer, (2001)
- Logic in Databases, volume 1154 of Lecture Notes in Computer Science, page 389-397. Springer, (1996)


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