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中文摘要：
提出了相关性动态感知的服务发现策略，根据对节点空间相关性和传感数据的时间相关性的感知，将网络中的节点划分多个逻辑区域，并结合传感节点的处理能力、缓存容量和通信范围等因素，合理地选择目录节点，并以逻辑区域的距离为参数匹配服务提供节点，从而完成整个服务发现的过程．结果表明，所提出的服务发现策略能够在不增加网络负载的情况下，有效提高服务发现的准确性和成功率．
英文摘要：
In this paper, we propose a service discovery strategy based on dynamic correlation aware method. Firstly, the nodes of the network are divided into multiple logical regions, according to the spatial correlation of nodes and the temporal correlation of sensor data. Secondly, considering the sensor node＇s processing ability, cache capacity and communication range and so on, the dictionary node can be selected reasonably. And then the parameter matching service provides nodes based on the distance of the logical region, thus completing the whole services discovery process. Results show that the reliability of service discovery can be enhanced by our proposed mechanism.
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