K. Bijlani, J. K R, and A. Mathew. Proceedings of the third international ACM workshop on Multimedia technologies for distance learning, page 13--18. New York, NY, USA, ACM, (2011)
J. Griesbaum, and S. Kepp. Proceedings of I-KNOW 2010, 10 International Conference on Knowledge Management and Knowledge Technologies, page 415-426. Graz, (September 2010)
A. Hester. Proceedings of the 2010 Special Interest Group on Management Information System's 48th annual conference on Computer personnel research on Computer personnel research, page 158--164. New York, NY, USA, ACM, (2010)