XMatch: A language for satisfaction-based selection of Grid services

  • Authors:
  • Sergio Andreozzi;Danilo Montesi;Rocco Moretti

  • Affiliations:
  • Istituto Nazionale di Fisica Nucleare (INFN) -- CNAF, Viale Berti Pichat 6/2, 40127 Bologna, Italy and Department of Computer Science, University of Bologna, Mura Anteo Zamboni 7, 40127 Bologna, I ...;Istituto Nazionale di Fisica Nucleare (INFN) -- CNAF, Viale Berti Pichat 6/2, 40127 Bologna, Italy;Department of Computer Science, University of Bologna, Mura Anteo Zamboni 7, 40127 Bologna, Italy and Department of Pure and Applied Mathematics, University of Padova, Via G. Belzoni 7, 35131 Pado ...

  • Venue:
  • Scientific Programming - Dynamic Grids and Worldwide Computing
  • 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 offers a compact way for users to express their preferences for Grid resources and enable the maximization of the global preference.