Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Information retrieval or search plays an important role in a wide range of information management and electronic commerce tasks. In spite of the importance of information retrieva...
Nicholas J. Belkin, Susan T. Dumais, Jean Scholtz,...
XML support is being added to existing database management systems (DBMSs) and native XML systems are being developed both in industry and in academia. The individual performance ...
Federated transaction management (also known as multidatabase transaction management in the literature) is needed to ensure the consistency of data that is distributed across mult...
Yuri Gurevich made many varied and deep contributions to logic for computer science. Logic provides also the theoretical foundation of database systems. Hence, it is almost unavoid...