基于信息行为的社交网络节点信誉评估模型研究

doi:10.3969/j.issn.1671-1122.2021.12.008

摘要/Abstract

摘要：

为促进社交网络用户自律与自治,提高社交网络的可信度,文章提出一种基于用户信息行为监督反馈的动态信誉评估方法。该方法在节点综合信誉评估中融合身份信誉与行为信誉机制,在动态更新中设置新节点考核期与分阶段信誉更新机制。通过节点信息披露、网络特征计算节点身份信誉;根据监督节点在社交网的信息发布、转发,对信息行为的自我纠正与不良信息阻断行为给与奖惩,形成行为信誉。实验结果表明,相比传统信任评估机制,对信息行为设置奖惩引导不仅可以提高信誉评估准确度,还可以抑制不良信息的交互。

关键词: 社交网络, 节点信誉, 信息行为, 信誉奖惩, 网络治理

Abstract:

In order to promote self-discipline and autonomy of social network users and improve the credibility of social network, a dynamic reputation evaluation method based on user information behavior supervision and feedback is studied. The comprehensive reputation contains identity and behavior reputation, set evaluation period for a new node and update mechanism in different stage. Identity reputation is calculated by information disclosure and network characteristics; behavior reputation is calculated by information release and forwarding, and rewards or punishments will be given to self correction of information behavior or blocking of bad information. The simulation results show that compared with the traditional trust evaluation mechanism, setting rewards and punishments guidance can improve the accuracy of reputation evaluation. Reputation incentive can also inhibit the interaction of bad information.

Key words: social network, reputation, information behavior, reputation rewards and punishments, network governance

中图分类号:

TP309

熊建英. 基于信息行为的社交网络节点信誉评估模型研究[J]. 信息网络安全, 2021, 21(12): 51-59.

XIONG Jianying. Reputation Evaluation Model in Social Network Based on Information Behavior[J]. Netinfo Security, 2021, 21(12): 51-59.

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属性	不合理评判规则
姓名	国籍为中国时,含非中文字符：0 国籍为中国时,长度小于2：0 汉族条件下,长度大于4：0.5 汉族条件下,第一个字符不能匹配姓氏库样本：0.5
年龄	年龄小于6或年龄大于120：0 在职状态：年龄低于18或高于80：0 学生状态：年龄低于6或高于45：0.5
毕业学校	校名库中无学校信息：0.5
所属组织	组织库中无组织信息：0.5

属性	属性内涵	离散规则
行业	从业类型	专业性职业 1,学生 0.5,非专业性职业0
组织	组织规模	高规模1,中小规模 0.5,无组织0
学历	知识水平	研究生以上 1,大中专0.5,高中及以下 0
职称	从业资历	高级1,中级 0.5,初级0

维度	信息行为	解释	奖惩规则	系数r
内容核查	原创加精	对所发布原创内容,根据其点击量、转发量等设置为精华贴	每增加1条精华帖	+0.01
	发布不良信息	发布不良信息,受到平台对其核查	每核实发布1条	-0.03
	转发不良信息	转发不良信息,受到平台对其核查	每核实发布1条	-0.02
自我纠偏	删除不良信息	在未被平台核实之前删除,澄清	每核实曾发布1条	-0.01
传播阻断	有效举报	自觉核查信息,在平台对不良信息进行举报,	每核实有效1条	+0.02
传播阻断	无效举报	未核查信息,无有效证据,违规举报	每核实无效1条	-0.01