关键词: 论坛挖掘, 主题挖掘, 文本预处理, 主题模型

Abstract: With the advent of the big data age, network forum data which is social, randomness and decentralized is exploding and difficult to be used directly. Forum topic mining can refine the main forum argument yet. It can identify the content of the user’s discussion from the complex forum data and extract the theme. This paper describes the problem and the framework of the forum topic mining, and classifies of existing technologies, basic types as forum text preprocessing, topic mining algorithm and topic modeling. Then, the basic characteristics and typical methods of the above three kinds of topic mining technology are described, compared and summarized in detail. At the end of the paper, discusses and analyzes the current problems and development trend of the forum topic mining.

Key words: forum mining, topic mining, text preprocessing, topic model