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一种基于微博数据的公众环境污染情感指数估算方法
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摘要
本文提出一种情感指数的估算方法,该指数用于反映群众由于环境污染变化而引起的情绪状态变化。本文综合文本情感分析领域的研究成果以及中文微博情感分析方法,将基于地理位置信息的中文微博通过文本预处理、情感信息提取和情感分类等步骤,对社交网络中的情感信息进行收集,再进行情绪判断,计算情感系数;通过微博文本的地理位置信息选定该位置范围内的空气监测站的数据作为真值,对比该位置范围内的文本信息的情绪指数,通过验证两者的相关性来验证该指数的有效性。该满意指数可以作为一种新的环境管理手段,例如其可以用作空气质量监测分析和预警的参照和依据。
The purpose of this paper is to estimate an index that can reflect public emotions towards environmental status based on micro-blog data.We first analyze the micro-blog data by emotion classification and sentiment analysis techniques to obtain people' s positive/negative emotional level about their surrounding environmental conditions.Afterwards,the correlation between an emotional index and the air quality index(AQI) collected from air monitoring stations is evaluated.Such an emotional index hence can potentially be included in future environmental management solutions,for instance,as feedbacks from public after certain environment protection policies are conducted or as an extra reference for pollution detection.
引文
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