We describe the current status of and provide performance results for a prototype compiler of Prolog to C, ciaocc. ciaocc is novel in that it is designed to accept different kinds...
In this paper, SIMD and MIMD solutions for the realtime database management problem of air traffic control are compared. A real-time database system is highly constrained in a mul...
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
Abstract. Database applications are frequently faced with the necessity of representing time varying information and, particularly in the management of information systems, a few k...
In many data-centric applications it is desirable to use OWL as an expressive schema language where one expresses constraints that need to be satisfied by the (instance) data. Howe...