Recommendation Datasets

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Datasets used for recommender systems research purposes come from various domains, in different sizes and with different means of expressing user actions. The table below shows a comparison of some of the more common datasets for recommendation.



Dataset Domain No. of user actions No of users License
MovieLens 100k Movies 100 k 1k custom
MovieLens 1M Movies 1 M 6k custom
MovieLens 10M Movies 10 M/100k 72k custom
MovieLens 20M Movies 20 M/645k 138k custom
MovieTweetings Movies 200k 25k custom