1. Chen, N.S., Kinshuk, W.C.W., Yang, S.J.H.: Designing a self-contained group area network for ubiquitous learning. Educational Technology & Society 11(2), 16–26 (2008)
2. Holzinger, A., Nischelwitzer, A.K., Kickmeier-Rust, M.D.: Pervasive E-Education supports Life Long Learning: Some Examples of X-Media Learning Objects (2008),
http://www.wccee2006.org/papers/445.pdf
(last access, 2008-05-05)
3. Klamma, R., Chatti, M.A., Duval, E., Hummel, H., Hvannberg, E.T., Kravcik, M., Law, E., Naeve, A., Scott, P.: Social software for life-long learning. Educational Technology & Society 10(3), 72–83 (2007)
4. O’Reilly, T.: What is Web 2.0 Design Patterns & Business Models for the Next Generation of Software (2009),
http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html
(last access January 5, 2009)
5. O’Reilly, T.: Web 2.0: Stuck on a name or hooked on value? Dr. Dobbs Journal 31(7), 10 (2006)