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	Goal-driven context-aware service composition
	Yu, Lian ; Glenstrup, Arne ; Zhang, Yang ; Su, Shuang
	2010
英文摘要	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. ?2010 IEEE.; EI; 0
语种	英语
DOI标识	10.1109/ICPCA.2010.5704124
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/411311]
专题	软件与微电子学院
推荐引用方式 GB/T 7714	Yu, Lian,Glenstrup, Arne,Zhang, Yang,et al. Goal-driven context-aware service composition. 2010-01-01.

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