We formalize the notion of a cryptographic counter, which allows a group of participants to increment and decrement a cryptographic representation of a (hidden) numerical value pri...
Interaction protocols are specific, often standard, constraints on the behaviors of autonomous agents in a multiagent system. Protocols are essential to the functioning of open sys...
Abstract. Semantic Web technologies will deeply influence the further development of the Internet Economy. A major challenge is, however, to find a practical solution for trust pro...
Robert Tolksdorf, Christian Bizer, Rainer Eckstein...
Emerging applications in electronic commerce often involve very low-cost transactions, which execute in the context of ongoing, extended clientserver relationships. For example, c...
Yossi Matias, Alain J. Mayer, Abraham Silberschatz
Current electronic commerce applications such as online auction systems are not trustworthy due to a lack of effective trust management mechanisms. A trustworthy online auction sy...