A minor question.
Posted by: dhy @ Dec. 23, 2021, 1:20 p.m.You can think of train_5core as filtered users with 5 ratings, and items with 5 ratings from their corresponding train.tsv file. However, we applied other criteria as well for extracting those files and operations such as normalizing the ratings for train_5core.tsv.
Posted by: hamedrab @ Dec. 25, 2021, 3:33 p.m.