- AAAI/IAAI, page 814-820. AAAI Press / The MIT Press, (1998)
- ACL, page 206-213. Morgan Kaufmann Publishers / ACL, (1997)
- CoRR (1998)
- IEEE Trans. Pattern Anal. Mach. Intell. 13(12):1225-1235 (1991)
- Inf. Sci. 116(1):3-23 (1999)
- Intelligent Tutoring Systems, volume 3220 of Lecture Notes in Computer Science, page 772-781. Springer, (2004)
- INLG, volume 3123 of Lecture Notes in Computer Science, page 70-79. Springer, (2004)
- NLDB, volume 3136 of Lecture Notes in Computer Science, page 26-38. Springer, (2004)
- KI, volume 2821 of Lecture Notes in Computer Science, page 239-253. Springer, (2003)
- Artificial Intelligence in Medicine 22(3):277-280 (2001)
- Artif. Intell. 43(1):37-56 (1990)
- CADE, volume 2392 of Lecture Notes in Computer Science, page 144-149. Springer, (2002)
- International Conference on Computational Science 1, volume 2073 of Lecture Notes in Computer Science, page 969-978. Springer, (2001)
- CADE, volume 1632 of Lecture Notes in Computer Science, page 142-156. Springer, (1999)
- KI, volume 1504 of Lecture Notes in Computer Science, page 189-200. Springer, (1998)
- NLDB, volume 3 of LNI, page 7-16. GI, (2001)
- Formal Asp. Comput. 11(3):326-342 (1999)
- ACIIDS 1, volume 6591 of Lecture Notes in Computer Science, page 476-485. Springer, (2011)
- Proceedings of Czech-Japanese Seminar in Applied Mathematics, page 1. Japan, (September 2005)
- Applied Artificial Intelligence 1(2):117-132 (1987)


author