A semantic framework for priority-based service matching in pervasive environments

  • Authors:

  • Ayomi Bandara;Terry Payne;David De Roure;Tim Lewis

  • Affiliations:

  • University of Southampton, Southampton, UK;University of Southampton, Southampton, UK;University of Southampton, Southampton, UK;Telecommunications Research Laboratory, Toshiba Research Europe Ltd, Bristol, UK

  • Venue:
  • OTM'07 Proceedings of the 2007 OTM Confederated international conference on On the move to meaningful internet systems - Volume Part II
  • Year:
  • 2007

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Abstract

The increasing popularity of personal wireless devices has raised new demands for the efficient discovery of heterogeneous devices and services in pervasive environments. The existing approaches such as Jini [1], UPnP [8], etc., describe services at a syntactic level and the matching mechanisms in these approaches are limited to syntactic comparisons based on attributes or interfaces. In order to overcome the limitations in these approaches, there has been an increased interest in the use of semantic description and matching techniques to support effective service discovery. This paper proposes a semantic matching approach which facilitates the discovery of device-based services in a pervasive environment; the approach provides a ranking facility that orders services according to their suitability and also considers priorities placed on individual requirements in a request during the matching process. The evaluation studies have shown that the matcher results correlate reasonably well with human judgement.