Goal-Driven Context-aware Service Composition

Lian Yu, Arne John Glenstrup, Yang Zhang, Shuang Su

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    Abstrakt

    Two important aspects are associated with service composition. One is to understand the needs and constraints for a new added-value composite service, and otherwise it would lead to an ad-hoc effort for service composition. The second is to reflect the changes of computing environment to the service composition to catch up the on-demand of users. This paper introduces a goal-driven approach to specify the user requirements and demands that guides the service composition, and proposes context awareness to adapt to a dynamically changing environment. Computing contexts, including physical context, user profile and computed results, are gathered by various services, and imported into an ontology based a context repository. A Goal Description Language, Context Condition/Effect are designed to describe the dynamic semantics of goal requirements and service capability. A planner is designed and implemented to dynamically compose services based on the current contexts, and a service runner is designed and implemented to invoke proper services based on the contexts and interactions with users.
    OriginalsprogEngelsk
    TitelPervasive Computing and Applications (ICPCA) 2010. 5th International Conference on
    Antal sider6
    ForlagIEEE Computer Society Press
    Publikationsdatodec. 2011
    Sider342-347
    ISBN (Trykt)978-1-4244-9144-5
    StatusUdgivet - dec. 2011
    Begivenhed5th IEEE International Conference on Pervasive Computing and Applications - Maribor, Slovenien
    Varighed: 1 dec. 20103 dec. 2010
    Konferencens nummer: 5th
    http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=17303

    Konference

    Konference5th IEEE International Conference on Pervasive Computing and Applications
    Nummer5th
    Land/OmrådeSlovenien
    ByMaribor
    Periode01/12/201003/12/2010
    Internetadresse

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