基于链路结构的微博领域专家识别研究

被引:3
作者
刘勘
范琴
机构
[1] 中南财经政法大学信息与安全工程学院
关键词
链接分析; 专家识别; 信息传播;
D O I
暂无
中图分类号
G350 [情报学];
学科分类号
1205 ;
摘要
提出基于链路结构的微博领域专家识别算法,以新浪微博为例,通过多指标综合分析,设计了包括原创发博率、主题相关度、节点扩散度、交互主动性以及用户支持度等五个指标值,将节点的权重分为中心权重和权威权重两部分,分别采用上述指标值为其赋值,再根据用户的中心性和权威性相互增强的思想,迭代计算每个用户的领域中心值和领域权威值,直至算法收敛,最终利用领域权威值结果判断用户是否为领域专家。实验表明,本算法能准确地识别微博中某一领域的专家,并能对其影响力作出有效评判。
引用
收藏
页码:66 / 76
页数:11
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