A method and device for obtaining public opinion data

Abstract

The invention provides a method and a device of acquiring public sentiment data. Entity word libraries are pre-mined, and include keywords describing corresponding entities; keywords are extracted from acquired webpage data when the public sentiment data are acquired; similarity matching is carried out on the extracted keywords and each entity word library to determine the entities corresponding to the entity word libraries of which similarities satisfy a preset requirement; and the webpage data are used as the public sentiment data of the determined entities. The method can automatically realize acquisition of the public sentiment data. Compared with a manner of artificially collecting the public sentiment data, the method greatly reduces manpower costs, and increases a coverage rate of the public sentiment data.

Description

【Technical field】

[0001] The invention relates to the field of computer application technology, in particular to a method and device for acquiring public opinion data. 【Background technique】

[0002] Internet public opinion takes the network as the carrier and events as the core. It is the expression, dissemination and interaction of the majority of netizens' emotions, attitudes, opinions, and opinions, and it is the reflection of social public opinion in the Internet space. With the continuous development of the Internet, many companies, enterprises and other units need to constantly pay attention to Internet public opinion in order to analyze the Internet public opinion and pay attention to their own status in the Internet public opinion, so as to generate early warnings of Internet public opinion and provide public relations or brand information for the departmental Internet crisis. Marketing provides data to rely on. In addition, the majority of netizens also need to co...

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