TF-IDF
Definition from Wiktionary, the free dictionary
Contents |
English [edit]
Etymology [edit]
Abbreviation of "term frequency over inverse document frequency".
Alternative forms [edit]
Noun [edit]
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.