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中文摘要：
在PSN（pocketswitchednetwork）中实现数据传输成功率与传输延迟的有效平衡是当前有待解决的问题。提出一种基于社会属性的PSN路由算法——BridgingCom算法，该算法使用带有衰退机制的局部社区识别方法，引入桥接中心度（bridgingcentrality）作为中继节点的选择依据，将社会网络中节点重要性与移动社会网络的特征相结合，考虑了节点社区关系和节点活跃度对路由算法的影响。实验表明，该算法与现有经典算法相比能够获得较高的传输效率和较低的传输延迟。
英文摘要：
In pocket switched network, how to make effective balance between the message delivery ratio and transmis- sion delay is a problem to be solved. A community-based PSN routing algorithm, named BridgingCom, is proposed. It uses local community detection method with aging mechanism and introduces the bridging centrality as the basis of for- warding decisions. The algorithm combines the analysis of node centrality with the structure of social mobile network, makes full use of the community relationship and activeness of nodes in PSN. Simulation results show that BridgingCom routing algorithm has better performance in the message delivery ratio and message average delay compared to a number of previously proposed algorithms.
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