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A Service-Oriented System to Support Data Integration on Data Grids

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4 Author(s)
Gounaris, A. ; Univ. of Manchester, Manchester ; Comito, C. ; Sakellariou, R. ; Talia, D.

Data Grids provide transparent access to heterogeneous and autonomous data resources. The main contribution of this paper is the presentation of a data sharing system that (i) is tailored to data grids, (ii) supports well established and widely spread relational DBMSs, and (iii) adopts a hybrid architecture by relying on a peer model for query reformulation for retrieving semantically equivalent expressions, and on a wrapper-mediator integration model for accessing and querying distributed data sources. The system builds upon the infrastructure provided by the OGSA-DQP distributed query processor and the XMAP query reformulation algorithm. The paper discusses the implementation methodology, and also presents empirical evaluation results.

Published in:

Cluster Computing and the Grid, 2007. CCGRID 2007. Seventh IEEE International Symposium on

Date of Conference:

14-17 May 2007