Social network data acquisition method and device and storage medium

Abstract

The invention discloses a social network data acquisition method and device and a storage medium, and relates to the field of information security, S1, obtaining an initial social network user, S2, constructing a candidate set, S3, preprocessing the candidate set to obtain a first set, S4, calculating the income degree when each community joins in each neighbor community, and adding the community into the neighbor community to obtain a second set; s5, judging whether the community affiliation of the community changes or not, if so, returning to S4, otherwise, entering S6, selecting a monitoring node, S7, collecting information of the monitoring node, S8, performing a crawling task and obtaining specified data, and S9, analyzing the specified data to obtain target data and storing the target data in a database; according to the method, the monitoring nodes of the social network propagation information can be selected from massive social network user nodes, and public opinions which are being propagated in the social network can be sensed in real time. The problem that an existing snowball receipt collection method is one-sided and homogeneous is solved, and the limitation that a keyword collection method cannot perceive network public opinions in real time and only can analyze the public opinions afterwards is overcome.

Description

technical field [0001] The present invention relates to the field of information security, in particular to a social network data collection method, device and storage medium. Background technique [0002] With the development of mobile Internet and self-media, social network has become an important channel for the public to publish, obtain information and express emotions. Massive amounts of data and information are generated in social networks every day. Behind the mass of information, there are public opinions, attitudes and emotions on a certain event or issue. Such attitudes and emotions are called Internet public opinion. Timely grasping the online public opinion expressed by the public in the social network plays a vital role in maintaining social harmony and national stability. The first step to grasping the social network public opinion is to be able to timely grasp the information that the social network is disseminating. The existing public opinion and system Foc...

AI Technical Summary

Problems solved by technology

Timely grasping the online public opinion expressed by the public in the social network plays a vital role in maintaining social harmony and national stability. The first step to grasping the social network public opinion is to be able to timely grasp the information that the social network is disseminating. The existing public opinion and system Focusing on the research of public opinion detection methods, there is a lack of necessary research and analysis on the collection of social network data, and the following problems exist: the existing social network data is mainly based on two methods: "snowball" and keyword-based methods

The limitation of the keyword-based collection method is that users need to provide public opinion retrieval keywords before collecting data. It is a post-event analysis method that cannot discover public opinion before it produces serious results before it spreads.

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