1. 2. Virtual Worlds in Education Hilary Mason Johnson & Wales University 3. Participatory Media http://xkcd.com http://bvlg.blogspot.com 4. Virtual Spaces = Web 2.0…
Slide 1 1 Algorithmic Aspects of Searching in the Past Thomas Ottmann Institut für Informatik, Universität Freiburg, Germany [email protected] (Lecture…