Faced with growing knowledge management needs, enterprises are increasingly realizing the importance of seamlessly integrating critical business information distributed across bot...
Prasan Roy, Mukesh K. Mohania, Bhuvan Bamba, Shree...
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
— The trend in Grid computing towards more data intensive applications, accessing more and more relational databases and requiring advanced integration of secondhand and publicly...
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...
Many information systems store their objects in a relational database. If the object schema or the relational schema of an application can change often or in an independent way, it...