- CHI 95 Conference Companion, page 33-34. ACM, (1995)
- First Monday (2008)
- EMISA, volume 190 of LNI, page 213-218. GI, (2011)
- GI Jahrestagung, volume 19 of LNI, page 299-303. GI, (2002)
- EDUCAUSE Quarterly Magazine (2007)
- Austrian Federal Ministry of Transport, Innvoation and Technology, Graz, (2007)
- RCIS, page 59-66. IEEE, (2009)
- ICALT, page 637-641. IEEE Computer Society, (2010)
- EC-Web, volume 61 of Lecture Notes in Business Information Processing, page 97-106. Springer, (2010)
- ICWL, volume 5686 of Lecture Notes in Computer Science, page 44-47. Springer, (2009)
- iJET 5(SI2):5-11 (2010)
- ASONAM, page 89-94. IEEE Computer Society, (2009)
- J. UCS 14(4):546-556 (2008)
- SMAP '07: Proceedings of the Second International Workshop on Semantic Media Adaptation and Personalization, page 56--61. Washington, DC, USA, IEEE Computer Society, (2007)
- Annales des Télécommunications 58(9-10):1424-1431 (2003)
- J. UCS 14(4):546-556 (2008)
- Austrian Federal Ministry of Transport, (2007)
- Proceedings of HCI 2003 International, Creta, Greece, (2003)
- (2002)
- Proceedings der GI Workshopwoche, Workshop der Fachgruppe Wissensmanagement, Karlsruhe, (2003)


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