#Medium sized song list This dataset consists of a list of songs arranged as follow: * ID_user1,ID_song,rating * ID_user1,ID_song,rating ... * ID_user2,ID_song,rating * ID_user2,ID_song,rating ... * ID_usern,ID_song,rating * ID_usern,ID_song,rating The main idea for this dataset is to implement recommendation algorithms based on collaborative filters. In addition to grouping data, reduce and compress lists. It is distributed under the CC 4.0 license. It's educational purpose. In fact, as the music is coded in an ID, the dataset could be for anything else like, movies, places, etc. Use it for training your collaborative filters. (The data truly represent songs)