noun
recall; recall rate
Technical term in information retrieval and statistics: the fraction of relevant instances that are retrieved. Often contrasted with 適合率 (precision).
See also: 適合率
検索エンジンの性能評価では、再現率と適合率の両方を考慮する必要がある。
When evaluating search engine performance, it is necessary to consider both recall and precision.
Compound of 再現 (さいげん, 'reproduction, recall') and 率 (りつ, 'rate, proportion').