An overview of S-OGSA: A Reference Semantic Grid Architecture

Corcho, Oscar; Alper, P.; Kotsiopoulos, I.; Missier, P.; Bechhofer, S. y Goble, C. (2006). An overview of S-OGSA: A Reference Semantic Grid Architecture. "Journal of Web Semantics", v. 4 (n. 2); pp. 102-115. ISSN 1570-8268.


Título: An overview of S-OGSA: A Reference Semantic Grid Architecture
  • Corcho, Oscar
  • Alper, P.
  • Kotsiopoulos, I.
  • Missier, P.
  • Bechhofer, S.
  • Goble, C.
Tipo de Documento: Artículo
Título de Revista/Publicación: Journal of Web Semantics
Fecha: 2006
Volumen: 4
Palabras Clave Informales: oeg OntoGrid
Escuela: Facultad de Informática (UPM) [antigua denominación]
Departamento: Inteligencia Artificial
Grupo Investigación UPM: Ontology Engineering Group – OEG
Licencias Creative Commons: Ninguna

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The Grid's vision, of sharing diverse resources in a flexible, coordinated and secure manner through dynamic formation and disbanding of virtual communities, strongly depends on metadata. Currently, Grid metadata is generated and used in an ad hoc fashion, much of it buried in the Grid middleware's code libraries and database schemas. This ad hoc expression and use of metadata causes chronic dependency on human intervention during the operation of Grid machinery, leading to systems which are brittle when faced with frequent syntactic changes in resource coordination and sharing protocols. The Semantic Grid is an extension of the Grid in which rich resource metadata is exposed and handled explicitly, and shared and managed via Grid protocols. The layering of an explicit semantic infrastructure over the Grid Infrastructure potentially leads to increased interoperability and greater flexibility. In recent years, several projects have embraced the Semantic Grid vision. However, the Semantic Grid lacks a Reference Architecture or any kind of systematic framework for designing Semantic Grid components or applications. The Open Grid Service Architecture ( OGSA) aims to define a core set of capabilities and behaviours for Grid systems. We propose a Reference Architecture that extends OGSA to support the explicit handling of semantics, and defines the associated knowledge services to support a spectrum of service capabilities. Guided by a set of design principles, Semantic-OGSA ( S-OGSA) defines a model, the capabilities and the mechanisms for the Semantic Grid. We conclude by highlighting the commonalities and differences that the proposed architecture has with respect to other Grid frameworks. (c) 2006 Elsevier B. V. All rights reserved.

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Depositado por: Dr Oscar Corcho
Depositado el: 27 Ago 2010 07:22
Ultima Modificación: 20 Abr 2016 12:16
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