Slide 73
Slide 73 text
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TF-IDF ͷόϦΤʔγϣϯ, BM25, Feature Selection, Information Gain, ٖࣅద߹ੑϑΟʔυόοΫ, ϥϯΫֶशͳͲ
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Recall, Precision, P@n, AP, MAP, Binary heap ʹΑΔ Top-K ͳͲ
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ϙΞιϯϞσϧ, IDF, RIDF ͳͲ
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IDF, RIDF ʹΑΔ Dynamic stop word list
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IDF, RIDF ʹΑΔࡧҾޠͷॏΈ͚
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