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电子学报  2013 

PQBCF:一种基于中间中心度的机会网络P2P查询算法

DOI: 10.3969/j.issn.0372-2112.2013.09.023, PP. 1815-1820

Keywords: 机会网络,P2P查询,中间中心度,社会网络,移动设备

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Abstract:

社会机会网络由人携带的带有短距离通信接口的移动设备利用人的移动形成,其数据采用"存储-携带-转发"的模式进行传输,本文针对这类网络,提出了一种基于中间中心度的P2P查询算法(P2PQuerybasedonBetweennessCentralityForwarding,PQBCF).节点的中间中心度描述了节点在信息传输转发过程中的参与度和重要度,PQBCF算法通过选择具有较大中间中心度的节点来实现信息的高效转发.仿真实验表明,与目前该研究领域的SF(SprayandFocus)等主流算法相比,PQBCF算法能够有效提高查询成功率,并降低查询延时.

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