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Towards a Protocol for the Attachment of Semantic Descriptions to Grid Services

Miles, Simon and Papay, Juri and Payne, Terry and Decker, Keith and Moreau, Luc (2004) Towards a Protocol for the Attachment of Semantic Descriptions to Grid Services. In: Proceedings of the Second European Across Grids Conference (AxGrids 2004), Cyprus.

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Service discovery in large scale, open distributed systems is difficult because of the need to filter out services suitable to the task at hand from a potentially huge pool of possibilities. Semantic descriptions have been advocated as the key to expressive service discovery, but the most commonly used service descriptions and registry protocols do not support such descriptions in a general manner. In this paper, we present a protocol, its implementation and an API for registering semantic service descriptions and other task/user-specific metadata, and for discovering services according to these. Our approach is based on a mechanism for attaching structured and unstructured metadata, which we show to be applicable to multiple registry technologies. The result is an extremely flexible service registry that can be the basis of a sophisticated semantically-enhanced service discovery engine, an essential component of a Semantic Grid.

Item Type:Conference or Workshop Item (Paper)
ID Code:75
Deposited By:Dr Simon Miles
Deposited On:01 Nov 2007 20:00
Last Modified:18 Apr 2009 23:00

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