摘要
通过分析2012—2014年我国食用农产品质量安全相关网络舆情监测数据,抽取需重点关注的问题事件舆情并标注关键词;在对关键词进行适当归并组合的基础上,计算得出近年来相关问题事件网络舆情涉及的高频关键词46个;通过聚类分析,得到我国农产品质量安全网络舆情10大热点问题;通过绘制高频关键词间的关联图谱、计算其中心性,确定"谣言"作为关键词与其他词联系最紧密。
By analyzing the internet public opinion monitoring data of edible agro-product quality and safety in China between 2012 and 2014,this paper distilled significant events and gave their keywords. Based on a combination of keywords,the paper calculated 46high-frequency keywords for related internet public opinion incidents in recent years. Through cluster analysis,the paper got 10 hot issues of network public opinion about agro-product quality and safety. By drawing patterns associated with high-frequency keywords and calculating there heart and mind,we found that the＂rumors＂as keywords was most closely associated with other words.
出处
《中国食物与营养》
2016年第3期5-9,共5页
Food and Nutrition in China
基金
国家农产品质量安全风险评估计划项目"农产品质量安全舆情信息监测及机制构建与示范"
关键词
食用农产品
质量安全
舆情热点
关键词分析
共现分析
edible agro-product
quality and safety
public opinion hotspot
keywords analysis
co-occurrence analysis
