Application-level content-based routing using XML is a key technology for decentralized publish/subscribe systems. In this paper, a new approach is proposed to support the efficien...
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Abstract. The Clio project provides tools that vastly simplify information integration. Information integration requires data conversions to bring data in different representation...
Ronald Fagin, Laura M. Haas, Mauricio A. Hern&aacu...
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...