- Naturschutz und Landschaftsplanung (2008)
- CSCL, page 742-743. International Society of the Learning Sciences, (2002)
- SASO, page 214-215. IEEE, (2011)
- ICSEng, page 346-351. IEEE, (2011)
- J. Vis. Lang. Comput. 8(5-6):621-640 (1997)
- Commun. ACM (November 1987)
- J. Comb. Theory, Ser. A 19(2):223-227 (1975)
- Commun. ACM (November 1987)
- Metainformatics, volume 3002 of Lecture Notes in Computer Science, page 178-196. Springer, (2003)
- IWSAS, volume 2614 of Lecture Notes in Computer Science, page 238-256. Springer, (2001)
- FLAIRS Conference, AAAI Press, (2011)
- Cognitive Technology, volume 2117 of Lecture Notes in Computer Science, page 490-520. Springer, (2001)
- ACL, page 299-308. The Association for Computer Linguistics, (2011)
- Electr. Notes Theor. Comput. Sci. (1996)
- CHI, page 285-286. ACM, (1990)
- Commun. ACM 30(11):964-971 (1987)
- Commun. ACM 26(7):495-503 (1983)
- Journal of the American Society of Information Science (1990)
- Discourse Processes (1998)
- Discourse Processes (1998)


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