This paper discusses the problem of content adaptation for mobile devices. The adaptation considers the context of the client and also the environment where the client request is ...
A prototype video database management system, which we call BilVideo, is presented. BilVideo provides an integrated support for queries on spatio-temporal, semantic and low-level ...
We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Me...
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
Logic programming with negation offers a compelling approach to abductive reasoning. This paper shows a simple view of abduction in this context for the completion semantics, unde...