In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
Global e-Commerce and mass-outreach e-Governance programs have brought into sharp focus the need for database systems to store and manipulate text data efficiently in a suite of ...
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...
Many collections of scienti c data in particular disciplines are available today around the world. Much of this data conforms to some agreed upon standard for data exchange, i.e., ...
George A. Mihaila, Louiqa Raschid, Anthony Tomasic