We dene a preferential semantics based on stable generated models for a very general class of temporal deductive databases. We allow two kinds of temporal information to be repre...
Abstract. We study here fundamental issues involved in top-k query evaluation in probabilistic databases. We consider simple probabilistic databases in which probabilities are asso...
This paper presents a new method for image retrieval using a graph object oriented database for processing the information extracted from the image through the segmentation process...
This proposal explores the promotion of existing relational databases to Semantic Web Endpoints. It presents the benefits of ontologybased read and write access to existing relati...
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...