Emergency analyzing method based on microblogs

Abstract

The invention discloses an emergency analyzing method based on microblogs. The emergency analyzing method based on the microblogs comprises the steps that firstly, burst words are analyzed, and compared with a previous technical method, analyzing of the burst words is characterized in that two features of the time domain and the frequency domain are used for judging the non-periodic burstiness of word feature tracks; secondly, in the situation that the burst words appear in a microblog item at the same time, different subject terms are clustered, one kind of burst words correspond to one emergency, and in order to better describe the emergencies, the emergencies can be described by reading the text part of the relevant microblogs of events which are issued at the earliest; thirdly, analyzing results of the emergencies are represented in a webpage mode. According to the emergency analyzing method based on the microblogs, the emergency analyzing method can be directly applied to a microblog pre-warning system, the concern extent of the emergencies is quantized into the proportion of the events appearing in microblog user comments, pre-warning is conducted in time, and the purposes of public opinion monitoring and managing are achieved.

Description

technical field [0001] The invention relates to an analysis method, in particular to a microblog-based emergency event analysis method. Background technique [0002] With the rapid development of Internet technology, Weibo has become the third largest source of public opinion on the Chinese Internet after news and forums. Due to the hundreds of billions of data in Weibo every day and the unimaginable speed of information sharing, various organizations and enterprises have to pay attention to their own data in Weibo. Relevant scholars, advertisers, and political activists have long regarded large-scale online social networks, such as Weibo platforms, as a real network with the functions of understanding the spread of ideas, social connections, etc., especially freedom of speech in Weibo platforms. , In the case of fast spread, emergencies are more likely to spread widely and rapidly along with rumors and negative speech, forming a serious crisis of public opinion. However, ...

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Problems solved by technology

[0004] The above methods are not aimed at microblog information. When searching for emergencies at the same time, the subject words are judged from the time of the incident. However, in microblog monitoring, emergencies often include hot events, only Judging emergencies from time has certain limitations, and the effect is not ideal

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