We present an open, decentralized, participatory system which realizes location-based services by gently extending the existing World Wide Web. Utilizing a geospatial search engin...
Whereas the conventional applications mostly assume stationary or fixed users, more and more emphasis is placed on mobility, the need for people to stay connected while moving aro...
Advances in e-commerce have resulted in significant progress towards strategies, requirements, and development of e-commerce applications. However, nearly all e-commerce applicatio...
In this paper we present a context-sensitive security model for privacy protection on mobile phones. We describe the system TreasurePhone which implements this security model. The...
Julian Seifert, Alexander De Luca, Bettina Conradi
While there are different research groups in the mobile computing community, most research requires mobile action data in terms of user calling and mobility patterns. Since collec...