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2005 International Conference on Parallel Processing Workshops (ICPPW'05)   pp. 34-41
Heterogeneous Relational Databases for a Grid-Enabled Analysis Environment
Arshad Ali, National University of Sciences & Technology
Ashiq Anjum, National University of Sciences & Technology and University of the West of England
Tahir Azim, National University of Sciences & Technology
Julian Bunn, California Institute of Technology
Saima Iqbal, California Institute of Technology and University of the West of England
Richard McClatchey, University of the West of England
Harvey Newman, California Institute of Technology
S. Yousaf Shah, National University of Sciences & Technology
Tony Solomonides, University of the West of England
Conrad Steenberg, California Institute of Technology
Michael Thomas, California Institute of Technology
Frank van Lingen, California Institute of Technology
Ian Willers, European Organization for Nuclear Research

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DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICPPW.2005.38
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Abstract
Grid based systems require a database access mechanism that can provide seamless homogeneous access to the requested data through a virtual data access system, i.e. a system which can take care of tracking the data that is stored in geographically distributed heterogeneous databases. This system should provide an integrated view of the data that is stored in the different repositories by using a virtual data access mechanism, i.e. a mechanism which can hide the heterogeneity of the backend databases from the client applications. This paper focuses on accessing data stored in disparate relational databases through a web service interface, and exploits the features of a Data Warehouse and Data Marts. We present a middleware that enables applications to access data stored in geographically distributed relational databases without being aware of their physical locations and underlying schema. A web service interface is provided to enable applications to access this middleware in a language and platform independent way. A prototype implementation was created based on Clarens [4], Unity [7] and POOL [8]. This ability to access the data stored in the distributed relational databases transparently is likely to be a very powerful one for Grid users, especially the scientific community wishing to collate and analyze data distributed over the Grid.
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Citation:  Arshad Ali, Ashiq Anjum, Tahir Azim, Julian Bunn, Saima Iqbal, Richard McClatchey, Harvey Newman, S. Yousaf Shah, Tony Solomonides, Conrad Steenberg, Michael Thomas, Frank van Lingen, Ian Willers, "Heterogeneous Relational Databases for a Grid-Enabled Analysis Environment," icppw, pp. 34-41,  2005 International Conference on Parallel Processing Workshops (ICPPW'05),  2005