This paper presents a method for reasoning about spatial objects and their qualitative spatial relationships. In contrast to existing work, which mainly focusses on reasoning abou...
Abstract. In this paper, we report the design of an RFID sensing infrastructure for digital libraries. In addition to the architecture of the system, we report its deployment in th...
We introduce a general framework that is based on distance semantics and investigate the main properties of the entailment relations that it induces. It is shown that such entailm...
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
Distributed multiuser hypermedia environments provide not only information sharing mechanisms but also user collaboration/ communication facilities. The provision of integrated vi...