Document (#27739)

Author

Hurtado, M.V.
Garcia, L.
Parets, J.

Title

Semantic views over heterogeneous and distributed data repositories : integration of information system based on ontologies;

Source

Challenges in knowledge representation and organization for the 21st century: Integration of knowledge across boundaries. Proceedings of the 7th ISKO International Conference Granada, Spain, July 10-13, 2002. Ed.: M. López-Huertas

Imprint

Würzburg : Ergon Verlag

Year

2003

Pages

S.338-344

Series

Advances in knowledge organization; vol.8

Abstract

Nowadays, in the global information infrastructure, the great expansion of the communication networks allows users to work with a great quantity of heterogeneous and distributed data, which are stored in different repositories. In order to support co-ordinated access to this data, preserving the correct semantics of the data stored in different ways, an integrated view is needed. We propose, in a first step, obtaining an integrated schema (Semantic View) and an integrated terminology in order to describe the content of the repositories. Ontologies are suggested as an interesting semantic representation which can be used here. Next, in a second step, the integrated schema and integrated terminology must be enriched in order to allow us to manage the intrinsic evolutionary aspects which characterise the modelling process of global information systems. I. Introduction In recent years the development of the communication networks allow users to work with a great quantity of data repositories. These repositories present different structures, organisations, query languages and data semantics. A partial solution to the problem of lack of uniformity when dealing with the available repositories consists an defining new information retrieval techniques with a strategy that focuses an information content and semantics. In the second section, we will describe some reasons that justify the use of Semantic Views over the repositories. In the third section, as a result of research carried out in the last decade, Ontologies are suggested as an interesting semantic representation. Following the approach of previous papers an software evolution (Parets and Torres, 1996), (Parets et al., 1999) and (Rodriguez et al., 2000) and an information integration (Hurtado and Parets2001), the fourth section of the paper presents the possible evolution mechanisms of the semantic views. Additionally, effective graph mechanisms for semantic evolution are provided.

Area

Informationswirtschaft

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5. Doerr, M.: ¬The CIDOC CRM, an ontological approach to schema heterogeneity (2005) 0.22

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