Towards a language for a satisfaction-based selection of grid services

Authors:
Sergio Andreozzi;Paolo Ciancarini;Danilo Montesi;Rocco Moretti
Affiliations:
Department of Computer Science, University of Bologna, Bologna, Italy;Department of Computer Science, University of Bologna, Bologna, Italy;Department of Computer Science, University of Bologna, Bologna, Italy;Department of Computer Science, University of Bologna, Bologna, Italy
Venue:
PPAM'05 Proceedings of the 6th international conference on Parallel Processing and Applied Mathematics
Year:
2005

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Abstract

Grid systems enable the sharing of a large number of geographically-dispersed resources among different communities of users. They require a mapping functionality for the association of users requests expressed in terms of requirements and preferences to actual resources. This functionality should deal with a potentially high number of similar resources and with the diversity of the perceived satisfactions of users. We propose XMatch, a query language enabling the expression of the user request in terms of the expected satisfaction over XML-based representation of available resources. This language improves the expressiveness of queries and supports aggregation of an high number of elementary satisfactions.