: This paper addresses issues related to Knowledge Management in the context of heterogeneous data warehouse environments. The traditional notion of data warehouse is evolving into...
We present the notion of a distributed database made up entirely of mobile components. Since disconnections will be frequent in such an environment, we develop a disconnection and...
Abstract. In this article we present a conceptual analysis of the notion of learners’ selforganization in CSCL macro-scripts. We highlight that taking into account selforganizati...
Abstract. In this paper we show how the relationships between first-order ontologies within a repository can be used to support ontology verification. We discuss the use of represe...
We show that the traditional notion of superposition as used for supporting parallel program design can subsume both composition and refinement relationships when non-deterministi...