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- 2016
基于社交媒体的突发事件应急信息挖掘与分析
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Abstract:
社交媒体越来越多地被看作是随人们移动的传感器,感知周围发生的事件。当突发事件发生时,大量含有位置信息的文字迅速地充斥整个社交网络。本文探讨突发事件应急信息挖掘与分析的一种新思路。基于社交媒体,建立实时应急主题分类模型,从大量、实时的文本流中快速提取、定位应急信息;针对不同主题,利用统计分析和空间分析方法,探寻突发事件的时间趋势和空间分布,为应急响应提供决策支持
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