The MovieLens 1M small dataset was downloaded (and used with necessary permission) from the MovieLens website at https://grouplens.org/datasets/movielens/. I sincerely acknowledge and thank F. Maxwell Harper and Joseph A. Konstan for making the datasets available for use. The dataset was published in MovieLens Dataset: History and Context. ACM Transactions on Interactive Intelligent Systems (TiiS) 5, 4, Article 19 (December 2015), 19 pages.
There are three files in the dataset: movies.dat, ratings.dat, and users.dat, which are related to movies, ratings, and users, respectively. These files contain 1,000,209 anonymous ratings of approximately 3,900 movies made by 6,040 MovieLens users who joined ...