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    • 5. 发明授权
    • Context aware system and context aware method thereof
    • 上下文感知系统及其上下文感知方法
    • US08010478B2
    • 2011-08-30
    • US12171448
    • 2008-07-11
    • Myung Eun LimJae Hun ChoiSoo Jun ParkSeon Hee Park
    • Myung Eun LimJae Hun ChoiSoo Jun ParkSeon Hee Park
    • G06N5/00
    • G06N99/005
    • A context aware system and a context aware method thereof perform a reasoning to be aware of contexts in ubiquitous environments. The context aware method includes procedures of modeling a knowledge base describing context information including constraints; classifying the context information described in the knowledge base according to the constraints; filtering fact data having same constraints as input sensor data from the classified context data; storing only rules, which satisfy the filtered fact data and constraints, in an working memory; and inferring a service context by reasoning the stored fact data and rules. The method receives input sensor data, associated with a subject, continuously monitored and serviced by indoor sensors, performs a reasoning based upon the input sensor data, in order to be aware of the present contexts of the subject and also provide, in real-time, a service suitable for the present contexts, thereby promoting the convenience of life.
    • 上下文感知系统及其上下文感知方法执行推理以在无处不在的环境中了解上下文。 上下文感知方法包括对描述包括约束的上下文信息的知识库进行建模的过程; 根据约束对知识库中描述的上下文信息进行分类; 过滤具有与来自分类的上下文数据的输入传感器数据相同约束的事实数据; 在工作存储器中仅存储满足被过滤的事实数据和约束的规则; 并通过推导存储的事实数据和规则来推断服务上下文。 该方法接收与被摄体相关联的输入传感器数据,由室内传感器连续监测和维护,基于输入的传感器数据执行推理,以便意识到对象的当前上下文并且还实时地提供 ,适合当前的环境,从而促进生活的便利。