Recommendation baseline implementations
dataset collections: https://github.com/daicoolb/RecommenderSystem-DataSet
Yelp: https://www.yelp.com/dataset
ciao & epinions: https://www.cse.msu.edu/~tangjili/datasetcode/truststudy.htm
Amazon: http://jmcauley.ucsd.edu/data/amazon/
Movielens: https://grouplens.org/datasets/movielens/
Steam: https://steam.internet.byu.edu/