Abstract— Wireless Sensor Networks (WSNs) have critical applications in diverse domains like environmental monitoring and military operations where accurate location of sensors i...
—In this paper we present SYNCOBOOK, a distributed system that offers the functionalities of a face-to-face cooperative bookmarking system and of a recommendation system. Our ove...
In this paper we discuss the Recommendz 1 recommender system. This domain-independent system combines the advantages of collaborative and content-based filtering in a novel way. ...
Existing authorization mechanisms fail to provide powerful and robust tools for handling security at the scale necessary for today's Internet. These mechanisms are coming unde...
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...