Concept information
Preferred term
inverse document frequency
Definition
- Statistical weight measuring the rarity of a term across a document collection, calculated as the logarithm of the ratio of total documents to documents containing the term.
Broader concept
Synonym(s)
- IDF
In other languages
-
French
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IDF
URI
http://data.loterre.fr/ark:/67375/8LP-VRHB0XL0-1