Utilising the Event Calculus for Policy Driven Adaptation on Mobile Systems

  • Authors:
  • A. Friday;N. Davies;K. Cheverst

  • Affiliations:
  • -;-;-

  • Venue:
  • POLICY '02 Proceedings of the 3rd International Workshop on Policies for Distributed Systems and Networks (POLICY'02)
  • Year:
  • 2002

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Abstract

Adaptation is an important requirement for mobile applicationsdue to the varying levels of resource availabilitythat characterises mobile environments. However withoutproper control, multiple applications can each adapt independentlyin response to a range of different adaptive stimuli,causing conflicts or suboptimal performance. In thispaper we present a policy driven approach for mobile adaptivesystems that can overcome the aforementioned problems.Our system is based on a policy language derivedfrom the Event Calculus logic programming formalism. Importantcharacteristics of our policy language are the supportfor explicit expressions of time dependencies and thesimple and user friendly syntax.