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Activity Policy-Based Service Discovery for Pervasive Computing

  • Woohyun Kim
  • Saehoon Kang
  • Younghee Lee
  • Dongman Lee
  • Inyoung Ko
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4254)

Abstract

Service discovery is an essential technique to provide applications with appropriate resources. However, user mobility and heterogeneous environments make the discovery of appropriate resources difficult. The execution environments will be rapidly changed, so developers cannot predict available resources exactly in design time. Thus, service discovery frameworks for pervasive computing must guarantee transparent development environments to application developers. In this paper, we introduce how to semantically describe and discover a variety of services in different environments. This approach helps applications to find appropriate services even though the required ones are not available or not found. For this, we propose a fine-grained effect ontology which is used to reasonably evaluate functional similarity among different services, and a policy-based query coordination which is used to dynamically apply different resource constraints according to human activities. Finally, we show with a feasible scenario how to find appropriate services in different environments. Our approach helps applications to seamlessly perform their tasks across a dynamic range of environments.

Keywords

Resource Constraint Service Discovery Pervasive Computing Description File Ubiquitous Computing Environment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Woohyun Kim
    • 1
  • Saehoon Kang
    • 1
  • Younghee Lee
    • 1
  • Dongman Lee
    • 1
  • Inyoung Ko
    • 1
  1. 1.Information and Communications UniversityDaejeonKorea

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