HCI in Work and Learning, Life and Leisure 6th Symposium of the Workgroup Human-Computer Interaction and Usability Engineering, USAB 2010, Klagenfurt, Austria, November 4-5, 2010. Proceedings - Leitner, Gerhard; Hitz, Martin; Holzinger, Andreas (Springer Berlin Heidelberg : Imprint: Springer, 2010)