再現率

さいげんりつ

noun

•

recall, recall factor, recall ratio

再	again, twice, second time
現	present, existing, actual
率	ratio, rate, proportion, %, factor, lead, spearhead, command

じょうほうけんさく

こうりつ

はか

しゃくど

、

さいげんりつ

てきごうりつ

As yardsticks to measure the effectiveness of information retrieval there exist those called 'recall ratio' and 'precision ratio'