Balancing between over-weighting and under-weighting in supervised term weighting

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• 作者：Haibing Wu ; Xiaodong Gu ; ^{xdgu@fudan.edu.cn} ; Yiwei Gu
• 关键词：Text categorization ; Supervised term weighting ; Over-weighting
• 刊名：Information Processing & Management
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：53
• 期：2
• 页码：547-557
• 全文大小：1416 K
• 卷排序：53

文摘

Show the importance of the trade-off between over-weighting and under-weighting. Propose a revision of add-one smoothing on delta smoothed idf (dsidf). Present three regularization techniques to reduce over-weighting. Propose a new supervised term weighting scheme, regularized entropy (re).