The enormous growth in wireless communications and miniaturized handheld devices in the last few years, have given rise to a vast range of new services, for heterogeneous user env...
Establishing trust between a group of individuals remains a difficult problem. Prior works assume trusted infrastructure, require an individual to trust unknown entities, or provi...
Pervasive games provide a new type of game combining new technologies with the real environment of the players. While this already poses new challenges to the game developer, requ...
Wolfgang Broll, Jan Ohlenburg, Irma Lindt, Iris He...
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...