多维环境感知模型及其实现
闫焕杰;徐名海;顾海
【期刊名称】《计算机工程与设计》 【年(卷),期】2012(033)010
【摘要】Context information presents a series of characteristics, such as diversity, dynamics, and complexity, the multi-dimensional context-aware model in which context information is divided into accuracy/fuzzy, fast/slow, time/spatial and history/ future four dimensions is proposed. And accuracy/fuzzy and fast/slow dimensions are solved respectively by leveraging on fuzzy logic and push/pull mechanism, in respect of time /spatial and history/future, using time stamp, two-hierarchy ontology method and feedback along with predict function. Simulation analysis demonstrates the feasibility and effectiveness of the project.%环境信息呈现多样性、动态性、复杂性等特征.将环境信息分为精确/模糊、快变/慢变、时间/空间和历史/期望四个维度.精确/模糊维度采用模糊逻辑理念,快变/慢变运用push/pull机制,并通过时间戳、两级本体模型以及反馈机制结合预测函数来实现时间/空间以及历史/期望维度,克服了环境信息质量模型中参数的不易测量性.结合实例,对精确/模糊维度的处理进行了仿真分析,表明了方案的可行性和有效性.
【总页数】5页(3682-3686)
【关键词】环境信息;模糊逻辑;环境信息质量;多维度环境感知 【作者】闫焕杰;徐名海;顾海
多维环境感知模型及其实现
