適てき合ごう率りつ

noun

precision; precision ratio

Technical term in information retrieval and statistics: the fraction of retrieved items that are relevant. Often contrasted with 再現率 (recall).

See also: 再現率

• 検けん索さくエンジンの性せい能のうは適てき合ごう率りつと再さい現げん率りつで評ひょう価かされる。

  The performance of a search engine is evaluated by precision and recall.

• 適てき合ごう率りつが高たかいほど、検けん索さく結けっ果かにノイズが少すくない。

  The higher the precision, the less noise there is in the search results.