A wide-range of applications, including Publish/Subscribe, Workflow, and Web-site Personalization, require maintaining user’s interest in expected data as conditional expression...
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
Integrated circuit cards or smart cards are now well-known. Applications such as electronic purses (cash units stored in cards), subscriber identification cards used in cellular te...
In this paper we describe the acquistion and content of a new large, realistic and challenging multi-modal database intended for training and testing multi-modal verification syst...
This paper studies five strategies for storing XML documents including one that leaves documents in the file system, three that use a relational database system, and one that uses...
Feng Tian, David J. DeWitt, Jianjun Chen, Chun Zha...