IDF for Word N-grams

Shirakawa, M; Hara, T; Nishio, S

Shirakawa, M (reprint author), Osaka Univ, Grad Sch Informat Sci & Technol, Dept Multimedia Engn, 1-5 Yamadaoka, Suita, Osaka 5650871, Japan.

ACM TRANSACTIONS ON INFORMATION SYSTEMS, 2017; 36 (1):

Abstract

Inverse Document Frequency (IDF) is widely accepted term weighting scheme whose robustness is supported by many theoretical justifications. However, a......

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