Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
Abstract. The growing size of electronically available text corpora like companies’ intranets or the WWW has made information access a hot topic within computational linguistics....
Web semantic access in specific domains calls for specialized search engines with enhanced semantic querying and indexing capacities, which pertain both to information retrieval (...
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...