The role of ontologies in emergent middleware: supporting interoperability in complex distributed systems

  • Authors:

  • Gordon S. Blair;Amel Bennaceur;Nikolaos Georgantas;Paul Grace;Valérie Issarny;Vatsala Nundloll;Massimo Paolucci

  • Affiliations:

  • School of Computing and Communications, Lancaster University, UK;INRIA, CRI Paris-Rocquencourt, France;INRIA, CRI Paris-Rocquencourt, France;School of Computing and Communications, Lancaster University, UK;INRIA, CRI Paris-Rocquencourt, France;School of Computing and Communications, Lancaster University, UK;DOCOMO Euro-Labs, Munich, Germany

  • Venue:
  • Middleware'11 Proceedings of the 12th ACM/IFIP/USENIX international conference on Middleware
  • Year:
  • 2011

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Abstract

Interoperability is a fundamental problem in distributed systems, and an increasingly difficult problem given the level of heterogeneity and dynamism exhibited by contemporary systems. While progress has been made, we argue that complexity is now at a level such that existing approaches are inadequate and that a major re-think is required to identify principles and associated techniques to achieve this central property of distributed systems. In this paper, we postulate that emergent middleware is the right way forward; emergent middleware is a dynamically generated distributed system infrastructure for the current operating environment and context. In particular, we focus on the key role of ontologies in supporting this process and in providing underlying meaning and associated reasoning capabilities to allow the right run-time choices to be made. The paper presents the Connect middleware architecture as an example of emergent middleware and highlights the role of ontologies as a cross-cutting concern throughout this architecture. Two experiments are described as initial evidence of the potential role of ontologies in middleware. Important remaining challenges are also documented.