Chimera: AVirtual Data System for Representing, Querying, and Automating Data Derivation
SSDBM '02 Proceedings of the 14th International Conference on Scientific and Statistical Database Management
MySRB & SRB: Components of a Data Grid
HPDC '02 Proceedings of the 11th IEEE International Symposium on High Performance Distributed Computing
Datagridflows: managing long-run processes on datagrids
DMG 2005 Proceedings of the First VLDB conference on Data Management in Grids
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Data grids enable next generation scientific explorations that require intensive computation and analysis of petabyte-scale shared data collections. Apart from the challenge in creation and management of the data, another major challenge is the discovery of derived dataproducts that have already been created. This work addresses the later challenge in minimizing response time and conserving the computing cycles in the grids by using"Virtual Services" to access derived data products. We analyze the role of virtual services for long running services in a service-oriented architecture and contribute a technique called "semantic mirror". A prototype was developed to discover derived data products of gridservices using SRB-MCAT technology and GriPhyN Virtual Data Language (VDL).