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)

1. (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.

   • 2019, Hobson Lane, Cole Howard, Hannes Max Hapke, Natural Language Processing In Action […] , Shelter Island: Manning, →ISBN:

     And this distribution of word frequencies will ensure that your TF-IDF scores are more uniformly distributed.

Further reading

• tf–idf on Wikipedia.Wikipedia