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一种基于事件的情境感知框架 被引量:4

Event-based Context-aware Framework
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摘要 为更好地满足用户的个性化需求、支持情境感知服务,提出一种基于事件的情境感知框架。该框架包括传感器层、事件总线和应用服务层,采用事件触发的方式调用应用服务与用户交互,并建立基于规则的事件过滤机制,对无效事件进行屏蔽。应用结果表明,该框架可提高系统的感知性能和重用性。 In order to better meet user's personalized demand and support the context-aware service,this paper proposes an Event-based Context-aware Framework(EBCF).This framework consists of sensor layer,event bus and application service layer.EBCF adopts triggered mechanism based on event to get context information and communicate with users.Besides,rule-based filtering mechanism is discussed to screen invalid event.Application results show that the framework can reduce the burden and improve the aware efficiency of system.
出处 《计算机工程》 CAS CSCD 2012年第7期37-39,共3页 Computer Engineering
基金 国家自然科学基金资助项目(61033005) 电子信息产业发展基金资助项目(2009-453) 丹麦战略研究委员会合作基金资助项目(2106-08-0046)
关键词 普适计算 情境感知 基于事件的情境感知框架 事件总线 事件驱动 过滤机制 ubiquitous computing context-aware Event-based Context-aware Framework(EBCF) event bus event-driven filtering mechanism
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