计算机科学 ›› 2016, Vol. 43 ›› Issue (1): 255-258.doi: 10.11896/j.issn.1002-137X.2016.01.055
文俊浩,何波,胡远鹏
WEN Jun-hao, HE Bo and HU Yuan-peng
摘要: 为了解决当前社交网络中基于用户信任的Web服务推荐算法存在的覆盖率不足的问题,整合了当前有关直接信任、间接信任及群体信任度的研究思路,对相关的信任度计算方式进行了扩展研究。在此基础上,提出了一种新的混合信任度算法。 实验结果表明,在召回率、用户信任度和用户争议度等指标上该混合推荐算法优于现有算法ModelTrust,证明了该算法具有覆盖率较高的特点,能解决由单一信任度算法数据稀疏性造成推荐结果不佳的问题。
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