Balancing between over-weighting and under-weighting in supervised term weighting.
Information Processing & Management(2017)
摘要
•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).
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关键词
Text categorization,Supervised term weighting,Over-weighting
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