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Matchmaking support for dynamic workflow composition

Chapman, Neil Philip, Ludwig, Simone Anja, Naylor, William, Padget, Julian and Rana, Omer Farooq 2007. Matchmaking support for dynamic workflow composition. Presented at: The 3rd IEEE International Conference on e-Science and Grid Computing, Bangalore, India, 10-13 Dec 2007. E-Science 2007 - Proceedings of the 3rd IEEE International Conference on e-Science and Grid Computing. pp. 371-378. 10.1109/E-SCIENCE.2007.48

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Service description and discovery offer complementary challenges, but in both cases, the problem is finding the right trade-off between accuracy and generality that will result in a positive service identification. Discovery systems have historically tended to focus on domain-specific techniques using single sources of knowledge to help classify queries against services, making both maintenance and extension difficult. The primary contribution of this paper is the presentation of a generic brokerage framework based on the use of plug-in components, that are themselves Web services. The framework has been developed in the context of the KNOOGLE project, where the focus has been on demonstrating support for (i) the discovery of grid services for the GridSAM job submission system and (ii) integration with the Taverna workflow enactment system. However, the broker itself is domain independent and it is the multiple user-specified matchmaker plug-ins that act as sources of domain-specific knowledge. The broker collects the results of the matchmakers' comparison of the query and service and then applies a user-specified selection policy to determine the final choice of service. Thus a range of comprehensive packaging of brokerage functionality becomes possible through the use of supplied and user-defined matchers and supplied or user-defined selection policies.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords: Grid services, GridSAM job submission system, KNOOGLE project, Taverna workflow enactment system, Web services, dynamic workflow composition, generic brokerage framework, matchmaking support, service description, service discovery, service identification, user-specified selection policy
Last Modified: 04 Jun 2017 04:46

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