%A Cheng Xiao, Lu Bei, Chen Zhiqun %T Research on Extraction of Hot Keywords %0 Journal Article %D 2010 %J Data Analysis and Knowledge Discovery %R 10.11925/infotech.1003-3513.2010.10.07 %P 43-48 %V 26 %N 10 %U {https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/abstract/article_3284.shtml} %8 2010-10-25 %X

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.