- 5th International Conference on Semantic Systems I-SEMANTICS 2009, Proceedings of I-KNOW 09 and I-SEMANTICS 09, page 445-454. Graz, Austria, Verlag der Technischen Universitt Graz, (2009)
- Proceedings of the 1st International Workshop on Ontology Repository and Editors for the Semantic Work ORES 2010 at the Extended Semantic Web Conference ESWC 2010, (2010)
- International Conference on Advanced Learning Technologies ICALT 2010, July 5-7, 2010, Sousse, Tunisia, (2010)
- i-com - Zeitschrift für interaktive und kooperative Medien (2009)
- International Conference on Semantic Systems I-SEMANTICS 2009, Graz, Austria, page 445-454. (2009)
- 2nd World Summit on the Knowledge Society WSKS 2009, Crete, Greece, volume 49 of Communications in Computer and Information Science, page 41-48. Springer, (2009)
- IADIS Conference on e-Learning 2009, Algarve, Portugal, 17-20 June 2009, (2009)
- Proceedings of I-KNOW ´08, 8th International Conference on Knowledge Management, Graz, Austria, September 3-5, page 304-312. (2008)
- Proceedings of CAL 09: Learning in Digital Worlds, Brighton 23-25 March 09, (2009)
- IGI Global, (2008)
- International Journal of Research and Method in Education IJRME 31(3):317-335 (2008)
- International Journal for Technology Enhanced Learning IJTEL 1(1):70-84 (2008)
- Proceedings of the 19th Australasian Conference on Information Systems ACIS 2008, Christchurch, New Zealand, 3-5 December 2008, page 607-616. (2009)


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