- Visual tools for the socio–semantic web
- Social Media Metrics Superlist: Measurement, ROI, & Key Statistics Resources
- Proceedings 17th Workshop of the American Society for Information Science and Technology Special Interest Group in Classification Research 17, (2006)
- Karlsruher Institut für Technologie KIT, Fakultät für Wirtschaftswissenschaften Fak. f. Wirtschaftswiss. Institut für Angewandte Informatik und Formale Beschreibungsverfahren AIFB, Amsterdam, The Netherlands, (February 2011)
- Proceedings of the 2010 international conference on On the move to meaningful internet systems: Part II, page 921--938. Berlin, Heidelberg, Springer-Verlag, (2010)
- Institut für Wirtschaftsinformatik, Fakultät für Betriebswirschaftslehre der Universität Innsbruck, Innsbruck, Austria, Diploma thesis, (January 2009)
- (Aug 18, 2009)
- (Oct 27, 2009)
- (Feb 10, 2004)
- (Feb 10, 2004)
- (May 21, 2004)
- (Feb 10, 2004)
- W. H. Freeman \& Co., New York, NY, USA, (1990)
- Journal of the ACM 42(4):741--843 (1995)
- Knowledge-Based Systems 19(7):489-497 (2006)
- Philosophia, (1991)
- Oxford University Press, New York, USA, (2003)
- Proceedings of the International Conference on Formal Ontology in Information Systems 2001, page 187-197. ACM Press, (2001)
- Kluwer Academic Publishing, Boston, (2002)
- Proceedings of the Third International Conference on E-Commerce and Web Technologies EC-Web 2002, volume 2455 of Lecture Notes in Computer Science, page 304-313. Springer, (2002)
- K-CAP, page 6-13. ACM, (2001)
- deliverable, (April 2009)


user