Trend analysis of public opinion based on Markov chain

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (36): 170-173.

• 数据库、信号与信息处理 • Previous Articles Next Articles

Trend analysis of public opinion based on Markov chain

LIU Kan1，LI Jing1，LIU Ping2

1.Department of Information，School of Information & Safety Engineering，Zhongnan University of Economics and Law，Wuhan 430073，China
2.Department of Information Management，Wuhan University，Wuhan 430064，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-12-21 Published:2011-12-21

基于马尔可夫链的舆情热度趋势分析

刘勘1，李晶1，刘萍2

1.中南财经政法大学信息与安全工程学院信息系，武汉 430073
2.武汉大学信息管理系，武汉 430064

Abstract

Abstract: Public opinion often has a hidden trend behind its characteristics shown online.A Markov chain based public opinion analysis method is proposed.In this method，indicator data of public opinion are collected to get the value of time series for the trend.Then the trend changes and the state spaces are analyzed，and the state transition matrix for the final trend is built.Experiments demonstrate that this method can effectively predict the trend of focus public opinion，and be of significance in guiding and controlling the public opinion.

Key words: online public opinion, Markov chain, trend analysis

摘要： 针对舆情热度的波动范围较大，并会呈现某种趋势的特点，提出了一种基于马尔可夫链的舆情热度趋势分析模型。该模型采集相关热点舆情的指标数据，得到热度的时间序列值;分析热度的趋势变化，划分状态空间，构建状态转移矩阵，预测热度的趋势变化区间。实验表明，该方法能有效地预测热点舆情的走势，进而辅助对舆情的引导和控制。

关键词: 网络舆情, 马尔可夫链, 趋势分析

LIU Kan1，LI Jing1，LIU Ping2. Trend analysis of public opinion based on Markov chain[J]. Computer Engineering and Applications, 2011, 47(36): 170-173.

刘勘1，李晶1，刘萍2. 基于马尔可夫链的舆情热度趋势分析[J]. 计算机工程与应用, 2011, 47(36): 170-173.

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Trend analysis of public opinion based on Markov chain

基于马尔可夫链的舆情热度趋势分析

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