WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

IDF

Definition: IDF stands for "Inverse Document Frequency". It is a numerical representation used in information retrieval and text mining to measure the importance of a term within a collection of documents. It signifies how often a term appears in a document relative to its appearance in the entire document collection.

Examples:

1. Noun (Information Retrieval):

   The IDF value of a term helps determine the significance of the term in a document collection.

   Example Sentence: The IDF score of the term "apple" in this document is very high.




2. Acronym (Israel Defense Forces):

   IDF is commonly used as an abbreviation for the Israel Defense Forces, the military forces of the State of Israel.

   Example Sentence: My friend serves as a soldier in the IDF.

Related products on Amazon:

• Information Retrieval Books
• Israel Defense Forces Merchandise