user- Proceedings of the Third International Workshop on Mashup Personal Learning Environments MUPPLE09, in conjunction with the 5th European Conference on Technology Enhanced Learning EC-TEL2010, Barcelona, Spain, (September 2010)
- Proceedings of the 1st Workshop on Recommender Systems for Technology Enhanced Learning RecSysTEL 2010, 1, page 2829-2838. Procedia Computer Science, (2010)
- Knowledge Science, Engineering and Management, volume 5914 of Lecture Notes in Computer Science, page 370-381. Springer, (2009)
- Proceedings of Knowledge Science, Engineering and Management KSEM, (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)
