计算机科学 ›› 2014, Vol. 41 ›› Issue (5): 168-172.doi: 10.11896/j.issn.1002-137X.2014.05.035

• 信息安全 • 上一篇    下一篇

社交网络中一种基于社区推荐的信任模型

张丰,王箭,赵燕飞,杜贺   

  1. 南京航空航天大学计算机科学与技术学院 南京210016;南京航空航天大学计算机科学与技术学院 南京210016;南京审计学院计算机科学与技术系 南京211815;南京航空航天大学计算机科学与技术学院 南京210016
  • 出版日期:2018-11-14 发布日期:2018-11-14
  • 基金资助:
    本文受江苏省普通高校研究生科研创新计划资助

Trust Model Based on Groups Recommendation in Social Network

ZHANG Feng,WANG Jian,ZHAO Yan-fei and DU He   

  • Online:2018-11-14 Published:2018-11-14

摘要: 信任度计算一直是社交网络中备受人们关注的问题,而对陌生节点的信任度计算更是其中的研究热点。目前多数的信任模型由于推荐证据的不完整使得对陌生节点信任度计算准确性不高。随着社区数量的不断增多,基于社区的社交网络成为当今社交网络发展的一种趋势,引入社区推荐模型替代原有的节点推荐模型来提高推荐证据的完整性和可靠性,进而提高陌生节点信任度计算的准确性;同时考虑友群信任度对社区信任度的影响,并给出社区关联度因子来解决社区推荐可能存在的合谋攻击。最后,通过仿真实验验证了该模型的合理性和有效性。

关键词: 社交网络,社区推荐,社区关联,信任度,友群

Abstract: In social networking,trust calculation have attracted more and more attention,especially between two unknown nodes.At present most of the trust models aren’t accurate enough due to incomplete recommendation evidence.With the increasing of community,community becomes a development trend of social networks today.In this paper,we first proposed community recommendation model in substitution for the existing node recommendation model,to improve integrity and reliability of the recommend evidence,and consequently improve the accuracy of unknown nodes trust computation.Secondly friend group trust influence was considered and community correlation factor was presented to solve the community possible collusion attack.Finally,simulation results verified the rationality and effectiveness of the proposed method.

Key words: Social network,Community recommendation,Community correlation factor,Trust,Friend group

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