In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Abstract. We consider programs which are data independent with respect to two type variables X and Y , and can in addition use arrays indexed by X and storing values from Y . We ar...
Ranko Lazic, Thomas Christopher Newcomb, A. W. Ros...
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
Theodoros Tzouramanis, Michael Vassilakopoulos, Ya...
Marco Gori Dipartimento di Ingegneria deU'Informazione Universita di Siena Via Roma 56 53100 Siena, Italy Alessandro Sperduti Dipartimento di Informatica Universita di Pisa C...