A serious problem facing many organizations today is the need to share information among systems that have been developed separately. Conflicts in the structure and semantics of t...
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
Abstract. Provision of personalized recommendations to users requires accurate modeling of their interests and needs. This paper proposes a general framework and specific methodolo...
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...