Ontology-based Query Processing in a Dynamic Data Integration System

Abstract

Data integration is concerned with unifying data that share some common semantics but originate from unrelated sources. Necessarily, when we work on data integration, we must take into account a more important and complex concept called “heterogeneity”. We begin by introducing Data integration systems (DIS), Ontologies and other preliminary concepts that will be used throughout the presentation. We will discuss how can Ontologies support, Integration? Also about the Ontologies and integration problems. We define architecture used for Semantic Query Distribution and we formally discuss the problem of query rewriting inside our data integration framework. Finally, we close this paper illustrating the current problem future work.

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