网络舆情信息源影响力的评估研究

Research on the Impact Evaluation of Web Information Sources of Public Opinion

文章通过对网络舆情、信息源、影响力等概念的深入研究,构建网络舆情信息源影响力评估体系。评估方法试图从根本上抓住网络舆情信息源影响力的本质特点:除了考虑信息源的表现力,还考虑网民对影响力的反馈,以及信息源转载信息这一行为中隐含的对同行信息源影响力的反馈。在量化影响力时,文章借鉴网络链接分析算法PageRank,提出算法SrcRank对信息源重要度进行排名。实例分析结果表明,评估方法能够客观而合理地评价网络舆情信息源的影响力。

After thorough study on such concepts as Internet public opinion,web information source and the impact of information source,this paper proposes an evaluation index system for the impact of web information sources of public opinion.The evaluation method tries to grasp the essential characteristics of Internet public opinion： taking account of the expressive force of the information source,the feedback from netizens as well as the feedback from other media.Similar to the idea of ＇PageRank＇,an algorithm of SrcRank is presented for computing the importance rating of information sources based on the reproduction relation among various information sources.The instance analysis results shows that the evaluation index system for the impact factor proposed by the paper is reasonable.