Network forum microcommunity determination method and system

Abstract

The invention discloses a network forum microcommunity determination method and system. The method comprises steps that a target web forum text from each target web forum of multiple target web forumsis acquired; a username of a post author of each target web forum text and usernames of authors of all the comments are extracted to acquire user member sets; the user member sets are combined according to the preset threshold to acquire multiple groups of user member sets; in each user member set group, the same user members of all the user member sets are acquired; in each user member set group, whether the number of the same user members is greater than the preset user member number is determined; if yes, the set formed by the same user members is determined to be a network forum microcommunity. The method is advantaged in that the accompanying relationship among the web forum users having no close follow-up behaviors can be effectively determined, and determination accuracy and completeness of the network forum microcommunity are substantially improved.

Description

Technical field [0001] The invention relates to the technical field of network information security, in particular to a method and system for determining a small group of a network forum. Background technique [0002] Small groups of online forums, also known as cohesive subgroups, refer to a group of active users in online forums. Users in the group discuss specific topics at a higher frequency and generate certain influence, such as successfully creating topic discussions Hot spots, new high-value knowledge generated from user interaction, etc. The discovery of members of a small group of users of online forums is a prerequisite for online public opinion management and intervention, especially the management and control of sensitive information on online forums. Therefore, it is particularly important to identify small groups of online forums. [0003] Currently, the extraction and determination of small network groups on the basis of the relationship network of forum users mai...

AI Technical Summary

Problems solved by technology

[0005] The currently adopted clique and n-clique analysis methods are used to determine forum small groups. Through the statistics and analysis of user posting and follow-up behavior frequency, members of forum small groups can be determined. It can only identify network forum users with close follow-up behavior. Members of a small group of forums, but members who are active in a specific topic at the same time but do not have a direct follow-up relationship cannot be determined as members of a small group of forums, which leads to the omission of members of a small group of forums, making certain forum Inaccurate and complete for small groups

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