Bag-of-words model

Bag-of-words model (BoW model) 最早出現在NLP和IR領域. 該模型忽略掉文本的語法和語序, 用一組無序的單詞(words)來表達一段文字或一個文檔. 近年來, BoW模 ...

文本特征提取---詞袋模型，TF-IDF模型，N-gram模型（Text Feature Extraction Bag of Words TF-IDF N-gram ）

假設有一段文本："I have a cat, his name is Huzihu. Huzihu is really cute and friendly. We are good friends." ...