- Proc. 4th International Conference on Innovations in Information Technology Innovations '07, page 566--570. (2007)
- Proceedings of the OCG eGovernment Conference, Linz Austria,, (2006)
- (2005)
- WISE Workshops, page 67-78. (2007)
- Semantic Systems From Vision to Applications - Proceedings of the SEMANTICS 2006, Vienna, Austria, November 28-30, 2006, 291-301, Österreichische Computer Gesellschaft, Wien, (2006)
- LWA 2007: Lernen - Wissen - Adaption, Halle, September 2007, Workshop Proceedings, page 269-272. (2007)
- PAKM '02: Proceedings of the 4th International Conference on Practical Aspects of Knowledge Management, page 359--368. London, UK, Springer-Verlag, (2002)
- Datenbanksysteme in Business, Technologie und Web BTW 2007, Workshop Proceedings, 5.-6. März 2007, Aachen, Germany, page 250-269. (2007)
- Proc. 2nd European Workshop on the Ref. No. 2005/11099 Integration of Knowledge, Semantics and Digital Media Technology EWIMT 2005, page 349--355. (2005)
- Proc. 11th International Conference Information Visualization IV '07, page 369--375. (2007)
- PAKM '06: Proceedings of the 6th International Conference on Practical Aspects of Knowledge Management, page 267-278. (2006)
- Proc. of the 4th Conference on Professional Knowledge Management, volume 2 of ProKW2007 Productive Knowledge Work - Management and Technological Challenges, GITO Gmbh, Berlin, (March 2007)
- Proceedings of Computer Human Interaction CHI 2008, Workshop on Personal Information Management: PIM 2008, (2008)
- Multikonferenz Wirtschaftsinformatik 2006, 2, page 45-56. Gito-Verlag, (2006)ISBN: 3-936771-62-6 .
- I-KNOW '06 6th International Conference on Knowledge Management, page 249-251. (2006)
- Proceedings of the ECAI'06 3rd International Workshop on Text-based Information Retrieval TIR-06, (2006)
- 19th International CODATA Conference, (2004)
- KES, page 967-974. (2003)
- PAKM, page 343-352. (2004)
- Proc. 18th International Conference on Database and Expert Systems Applications DEXA '07, page 283--287. (2007)


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