user- Springer, New York, (2006)
- SIGKDD Explor. Newsl. 6(2):24--33 (2004)
- OTM '08: Proceedings of the OTM Confederated International Workshops and Posters on On the Move to Meaningful Internet Systems, page 76--85. Berlin, Heidelberg, Springer-Verlag, (2008)
- Proc. IEEE of 2nd Int. Workshop on Database Interoperability InterDB 2006, page 5-5. Atlanta, USA, (April 2006)
- Data Science and Classification. Proceedings of the 10th IFCS Conf., page 261--270. Heidelberg, Springer, (July 2006)
- CKC, volume 273 of CEUR Workshop Proceedings, CEUR-WS.org, (2007)
- Bridging the Gep between Semantic Web and Web 2.0 SemNet 2007, page 127-138. (2007)
- (Apr 5, 2005)http://www.betaversion.org/~stefano/linotype/news/85/ .
- (2005)http://tomgruber.org/writing/tagontology-tagcamp-talk.pdf .
- (2005)http://tomgruber.org/writing/ontology-of-folksonomy.htm .
- International Semantic Web Conference, page 522-536. Springer, (2005)
- (2005)http://www.shirky.com/writings/ontology_overrated.html .
- Proceedings of 5th International Semantic Web Conference, Nov 5th-9th, Athens, GA, USA, LNCS 4273, Berlin Heidelberg, Springer-Verlag, (2006)
- Proceedings of SEMANTICS 2005 Conference., Vienna, Austria, (2005)
