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Scientific Programming
Volume 14, Issue 3-4, Pages 173-184

Federated Database Services for Wind Tunnel Experiment Workflows

A. Paventhan,1 Kenji Takeda,1 Simon J. Cox,1 and Denis A. Nicole2

1Microsoft Institute for High Performance Computing, School of Engineering Sciences, University of Southampton, SO17 1BJ, UK
2School of Electronics and Computer Science, University of Southampton, SO17 1BJ, UK

Received 30 December 2006; Accepted 30 December 2006

Copyright © 2006 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Enabling the full life cycle of scientific and engineering workflows requires robust middleware and services that support effective data management, near-realtime data movement and custom data processing. Many existing solutions exploit the database as a passive metadata catalog. In this paper, we present an approach that makes use of federation of databases to host data-centric wind tunnel application workflows. The user is able to compose customized application workflows based on database services. We provide a reference implementation that leverages typical business tools and technologies: Microsoft SQL Server for database services and Windows Workflow Foundation for workflow services. The application data and user's code are both hosted in federated databases. With the growing interest in XML Web Services in scientific Grids, and with databases beginning to support native XML types and XML Web services, we can expect the role of databases in scientific computation to grow in importance.