IDF

Initialism of Iceland Defense Force.

Proper noun

  1. Initialism of Iceland Defense Force.
  2. Initialism of Irish Defence Forces.
  3. Initialism of Israel Defense Forces.
    • Firearms were taken from IDF personnel and passengers disabled at least one by removing the ammunition from it. - 2011 September 5, Álvaro Uribe, Joseph Ciechanover, and Süleyman Özdem Sanberk, “The Use of Force on the...
    • The IDF spokesperson provided no comment on whether it had halted the practice, or the reported use of white phosphorus in Gaza, a densely populated area and home to more than 2 million people. - 2023 October 9, Ruth...
    • Alright, but have you heard this one though? Death, death to the IDF! - 2025 June 30, Bob Vylan, quotee, Bob Vylan chants "death to the IDF", Islam Channel:

    Synonyms: Tsahal

Noun

  1. Initialism of inverse document frequency.
    • A finer point to observe is that the sample implementation provided in Example 7-4 adjusts the IDF score by adding a value of 1.0 to the logarithm calculation, for the purposes of illustration and because we're dealing...
    • The idea behind inverse document frequency (IDF) is that all words in the corpus are not equally important. - 2014, Manas A. Pathak, Beginning Data Science with R, page 147:
    • Inverse document frequency, or IDF, is your window through Zipf in topic analysis. - 2019, Hobson Lane, Cole Howard, Hannes Max Hapke, Natural Language Processing In Action […] , Shelter Island: Manning, →ISBN:

Forms

IDFs

Derived

TF-IDF