Grid data integration based on schema mapping

Authors:
Carmela Comito;Domenico Talia
Affiliations:
DEIS, University of Calabria, Rende, Italy;DEIS, University of Calabria, Rende, Italy
Venue:
PARA'06 Proceedings of the 8th international conference on Applied parallel computing: state of the art in scientific computing
Year:
2006

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Abstract

Data integration is the flexible and managed federation, analysis, and processing of data from different distributed sources. Data integration is a key issue for exploiting the availability of large, heterogeneous, distributed and highly dynamic data volumes on Grids. This paper presents a framework for integrating heterogeneous XML data sources distributed among the nodes of a Grid. We present a query reformulation algorithm to combine and query XML documents through a decentralized point-to-point mediation process among the different data sources based on schema mappings. The above cited XML integration formalism is exposed as a Grid Service within an OGSA-based Grid architecture.