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In this article, we describe the characteristics of large-scale modeling of the theme text of this site data and important progress in recent years. Topic modeling approach has attracted wide interest in the world, and promote a number of important data mining, development of computer vision and computational biology applications, including automatic text summaries, information retrieval, information recommendation, topic detection and tracking, natural scene understanding human actiondoi:10.12783/dtssehs/icsste2017/9417 fatcat:mi53ux4ryzdr7pjb7b2enb7ifi