TF-IDF

短语

别名

tf-idf TF*IDF TF.IDF TFIDF

释义与例句

n.
  1. 1.

    A mathematical approximation to the importance of a particular word in a given piece of text.

    不可数

    The relevance of a document to a given search query can be guessed using the TF-IDF of each word they have in common.

词源

Abbreviation of “term frequency over inverse document frequency”.

来源：wiktionary