This paper describes why and how an ontology facilitates the sharing and trading of knowledge. It intoduces the underlying concept of a knowledge market place and how an ontology ...
Communication is an important aspect of teamwork, both in human teams and in multi-agent teams. One of the most vital roles for communication is for information exchange, such as ...
In classical mechanism design setting the outcome of the mechanism is computed by a trusted central party. In this paper we consider distributed implementations in which the outco...
Existing approaches to knowledge representation and reasoning in the context of open systems either deal with "objective" knowledge or with beliefs. In contrast, there ha...
The reliable authentication of user attributes is an important prerequisite for the security of web based applications. Digital certificates are widely used for that purpose. How...