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New Technology of Library and Information Service  2016, Vol. 32 Issue (2): 90-101    DOI: 10.11925/infotech.1003-3513.2016.02.12
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Analyzing Geographical Coordinates Data for Micro-blog Trending Events
Li Jinhua(),An Zhongjie
School of Information Management, Central China Normal University, Wuhan 430079, China
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Abstract  

[Objective] This study aims to retrieve the trending events from the micro-blog platform with the help of data mining algorithms. [Methods] First, we collected micro-blog message with geographic coordinates from the most popular platform (the Sina Weibo) using its API service. Then, we used the K-means, KNN and decision trees algorithms to construct the geographical patterns of those collected posts. The number of published posts, re-tweets, and comments, as well as user activity and movement strength were also examined. Third, we compared these geographical patterns with the daily regional micro-blog data to identify breaking news in that area. [Results] We analyzed data collected on April 15 and April 16 of 2015 with the help of the proposed model, and found a trending event of “Beijing Sandstorm”. [Limitations] The sample size was small, which might influence the results. [Conclusions] Geographic coordinates could help us detect trending events on the Sina Weibo, and this new method will also support the government’s crisis management strategy and decision-making process.
Key words： Micro-blog      Event detection      Visualization analysis      Geographical coordinates analysis     
Received: 24 September 2015      Published: 08 March 2016
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Li Jinhua
An Zhongjie

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Li Jinhua,An Zhongjie. Analyzing Geographical Coordinates Data for Micro-blog Trending Events. New Technology of Library and Information Service, 2016, 32(2): 90-101.

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https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2016.02.12     OR     https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2016/V32/I2/90

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