- ACL, page 46-50. ACL, (1982)
- ACL, page 44-50. ACL, (1983)
- AAAI, page 485-490. AAAI Press / The MIT Press, (1990)
- ACL, ACL, (1980)
- CoRR (2009)
- CoRR (2009)
- ACM Comput. Surv. 28(4es):6 (1996)
- Information & Software Technology 42(5):313-331 (2000)
- IAT, page 239-243. IEEE Computer Society, (2007)
- ECIS, page 513-529. Copenhagen Business School, (1999)
- IEEE T. Instrumentation and Measurement 60(10):3416-3422 (2011)
- AAMAS, page 431-438. IFAAMAS, (2011)
- Artif. Intell. 176(1):2270-2290 (2012)
- AAAI, AAAI Press, (2011)
- Artif. Intell. 19(2):131-136 (1982)
- Artif. Intell. 25(1):1-4 (1985)
- Artif. Intell. 32(2):173-243 (1987)
- Artif. Intell. 63(1-2):1-15 (1993)
- ANLP, page 39-45. (1983)
- CIA, volume 1652 of Lecture Notes in Computer Science, page 149-162. Springer, (1999)


author