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山东大学学报（理学版） ›› 2016, Vol. 51 ›› Issue (7): 90-97.doi: 10.6040/j.issn.1671-9352.2.2015.350

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在线社会网络中基于关系强度的访问控制机制

蔡红云1,2,马晓雪3   

  1. 1. 河北大学计算机科学与技术学院, 河北 保定 071000;2.燕山大学信息科学与工程学院, 河北 秦皇岛 066004;3.河北大学计算机教学部, 河北 保定 071000
  • 收稿日期:2015-08-01 出版日期:2016-07-20 发布日期:2016-07-27
  • 作者简介:蔡红云(1980— ),女,博士研究生,副教授,研究方向为信息安全、推荐系统、用户行为分析.E-mail:chy-hbu@126.com
  • 基金资助:
    国家自然科学基金资助项目(61170254);河北省自然科学青年基金资助项目(F2014201165);河北省高等学校科学技术研究项目(ZD2016043);河北省自然科学基金项目(F2014201099)

Access control based on relationship strength for online social network

CAI Hong-yun1, 2, MA Xiao-xue3   

  1. 1. School of Computer Science and Technology, Hebei University, Baoding 071000, Hebei, China;
    2. School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China;
    3. Computer Teaching Department, Hebei University, Baoding 071000, Hebei, China
  • Received:2015-08-01 Online:2016-07-20 Published:2016-07-27

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摘要： 访问控制是实现OSN隐私保护的有效方法之一,针对已有基于关系的访问控制中存在的控制粒度粗、不够灵活等问题,提出OSN访问控制下的关系度量机制,利用用户间关系强弱进一步区分关系(群组)中不同用户的访问权限。基于OSN用户交互特点,由交互行为分析用户关注度,利用用户关注度相对因子、交互强度、关系强度时间衰减性综合产生用户间关系强度。实验结果证明了所提关系强度度量方法的可行性和有效性。

关键词: 在线社会网络, 访问控制, 关系强度, 隐私保护

Abstract: Access control is one of the effective methods to protect the privacy of people in OSN. However, there are some problems in the relationship-based access control scheme, such as the coarse-grained and inflexibility. So evaluating the relationship strength between users is introduced in relationship-based access control, users access can be authorized according to relationship strength. Based on the characteristics of users interaction in OSN, the users attention is acquired by analyzing interaction behavior between users, and then a new evaluation model for relationship strength is constructed by considering the following features: attention factor, interaction strength and time decay. Experimental results show that the proposed method is feasible and effective.

Key words: privacy protection, relationship strength, access control, online social network

中图分类号: 

  • TP309
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