user- Scientific American 284(5):34-43 (2001)
- (2006)
- (November 2005)
- International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 935-942. Springer, (2006)
- WETICE, page 388-396. IEEE Computer Society, (2006)
- IEEE Intelligent Systems (January 2005)
- New York Times (Mar 9, 2007)
- (2007)
- P2PKM, volume 108 of CEUR Workshop Proceedings, CEUR-WS.org, (2004)
- Proc.of 5th International Semantic Web Conference, Athens, GA, USA, November 5-9, 2006, LNCS 4273, (2006)
- Workshop on Peer-to-Peer Information Retrieval, (2004)
- Workshop on Peer-to-Peer and Agent Infrastructures for Knowledge Management PAIKM2005 at the third conference on Professional Knowledge Management WM2005, Springer, (April 2005)
- (2005)
- Transactions on Data and Knowledge Engineering 15(4):871--882 (July 2003)
- J. Artif. Intell. Res. JAIR (2004)
- IEEE Internet Computing (October 2005)
- The MIT Press, Cambridge, MA, (2004)
- Proc. WWW 2006 Workshop on Identity, Reference, and the Web, (May 23, 2006)
- International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 943-950. Springer, (2006)
- International Journal of Learning Technology 1(3):352--381 (2005)
