The specification and monitoring of conditional obligations and prohibitions with starting points and deadlines is a crucial aspect in the design of open interaction systems. In th...
Emerging semantic web service description formalisms, such as OWL-S, allow for a definition of the semantic of services. Describing input and output types is not sufficient to dec...
Abstract. We study the problem of checking the competence of communicative agents operating in a global society in order to receive and offer electronic services. Such a society wi...
Abstract. We present an intelligent information agent that uses semantic methods and natural language processing capabilites in order to gather tourist information from the WWW and...
Steffen Staab, Christian Braun, Ilvio Bruder, Antj...