user- Lecture Notes in Computer Science: On the Move to Meaningful Internet Systems 2006: OTM 2006 Workshops, Springer, (2006)
- Proceedings of the First International Conference on Knowledge Science, Engineering and Management KSEM'06, volume 4092 of Lecture Notes in Artificial Intelligence, page 202-214. Berlin, Germany, Springer, (August 2006)
- (1995)Unpublished manuscript, Knowledge Systems Laboratory, Stanford University. Available at ftp://ftp.ksl.stanford.edu/pub/KSL_Reports/KSL-95-63.ps.gz. .
- University of California, Riverside, Riverside, CA, (2005)
- Albert-Ludwigs-University, Freiburg, Germany, Diploma Thesis, (December 2005)
- Massachusetts Institute of Technology, Cambridge, MA, USA, (February 1998)
- Commun. ACM 45(2):42--47 (2002)
- Proceedings of ECML-98, 10th European Conference on Machine Learning, 1398, page 137--142. Chemnitz, DE, Springer Verlag, Heidelberg, DE, (1998)
- Proceedings of ICML-99, 16th International Conference on Machine Learning, page 200--209. Bled, SL, Morgan Kaufmann Publishers, San Francisco, US, (1999)
- (March 2003)
- WWW '04: Proceedings of the 13th international conference on World Wide Web, page 472--481. New York, NY, USA, ACM Press, (2004)
- Social Networks (1990)
- Proceedings of the ECML/PKDD Workshop on Adaptive Text Extraction and Mining, Cavtat-Dubrovnik, Croatia, page 10-17. (2003)
- (June 2000)
- CHI '05: CHI '05 extended abstracts on Human factors in computing systems, page 1505--1508. New York, NY, USA, ACM Press, (2005)
- Proceedings of the 3rd International Workshop on Computational Terminology, Geneva, (August 2004)
- Stanford Digital Library Technologies Project, (1998)
- Advances in Applied Artificial Intelligence, volume 4031 of Lecture Notes in Computer Science, page 982--989. Berlin / Heidelberg, Springer, (August 2006)
- Proceedings of the WWW2006 (2006)submitted .
- Proceedings of the 14th International World Wide Web Conference, Chiba, Japan, ACM Press, (May 2005)
