Here are the datasets provided by the UCI Machine Learning Center in the United States: http://archive.ics.uci.edu/ml/feel useful for yourself: e-learning data Mining, learning analysis available datasets:/HTTP Archive.ics.uci.edu/ml/datasets/educational+process+mining+%28epm%29%3a+a+learning+analytics+data+set Student's basic information, For students ' academic performance prediction: Http://archive.ics.uci.edu/ml/datasets/Student+Performance A statement dataset with emotional annotations that can be used for sentiment analysis:/http Archive.ics.uci.edu/ml/datasets/sentiment+labelled+sentences Car Reviews and hotel reviews data set, this is a text evaluation, it is regrettable that there is no information to evaluate the User:/HTTP Archive.ics.uci.edu/ml/datasets/opinrank+review+dataset Hotel Reviews Data set, hotel information, user information, scoring information. Small amount of data available for research in (context) Recommender systems: Http://archive.ics.uci.edu/ml/datasets/Restaurant+%26+consumer+data 38,000 users visit the site within one week www.microsoft.com's information. For each user, a list of all the areas on which the site is accessed. The user ID is identified with no other user information, the data is older (1998). Can be used to recommend system research: Http://archive.ics.uci.edu/ml/datasets/Anonymous+Microsoft+Web+Data Sina micro-blog data sets, including user information, Weibo information, Weibo forwarding information: Http://archive.ics.uci.edu/ml/datasets/microblogPCU Stanford DataSet Complete http://snap.stanford.edu/data/There are many datasets, covering a variety of more
Data set: For data mining, recommender systems, etc.