According to extraction of hot keywords in the multi-phase candidate keywords, the paper tries mass data process,determines the meaningless words based on the timing of statistical law, and proposes Union Variance (UV) concept. The HK (Hot Keywords) formula is constructed based on multi-feature fusion to achieve the extraction of hot keywords. Experimental results show that this method is efficient in the process of hot subject extraction.
程肖, 陆蓓, 谌志群. 热点主题词提取方法研究[J]. 现代图书情报技术, 2010, 26(10): 43-48.
Cheng Xiao, Lu Bei, Chen Zhiqun. Research on Extraction of Hot Keywords. New Technology of Library and Information Service, DOI：10.11925/infotech.1003-3513.2010.10.07.