TF-IDF
English
Alternative forms
- tf-idf, TF*IDF, TF.IDF, TFIDF
Etymology
Abbreviation of "term frequency over inverse document frequency".
Noun
TF-IDF (uncountable)
- (information retrieval) A mathematical approximation to the importance of a particular word in a given piece of text.
- The relevance of a document to a given search query can be guessed using the TF-IDF of each word they have in common.
See also
TF-IDF on Wikipedia.Wikipedia