Man pages matching name algorithm::naivebayes in section 3pm:

Algorithm::NaiveBayes.3pm.en	debian 10 / libalgorithm-naivebayes-perl
Algorithm::NaiveBayes.3pm.en	debian 11 / libalgorithm-naivebayes-perl
Algorithm::NaiveBayes.3pm.en	debian 12 / libalgorithm-naivebayes-perl