数据集简介如下：（上传空间有限，这里我只传了一个最新的2016/1的数据集，如果有需要的话到官网下载吧http://grouplens.org/datasets/movielens/） MovieLens 100K Dataset Stable benchmark dataset. 100,000 ratings from 1000 users on 1700 movies. Released 4/1998. MovieLens 1M Dataset Stable benchmark dataset. 1 million ratings from 6000 users on 4000 movies. Released 2/2003. MovieLens 10M Dataset Stable benchmark dataset. 10 million ratings and 100,000 tag applications applied to 10,000 movies by 72,000 users. Released 1/2009. MovieLens 20M Dataset Stable benchmark dataset. 20 million ratings and 465,000 tag applications applied to 27,000 movies by 138,000 users. Released 4/2015. MovieLens Latest Datasets Small: 100,000 ratings and 6,100 tag applications applied to 10,000 movies by 700 users. Last updated 1/2016. Full: 22,000,000 ratings and 580,000 tag applications applied to 33,000 movies by 240,000 users. Last updated 1/2016. MovieLens Tag Genome Dataset 11 million computed tag-movie relevance scores from a pool of 1,100 tags applied to 10,000 movies.

数据挖掘常用数据集，包括GroupLens_MovieLens 3套数据集，100k、1m、10m的数据。跟官网数据一致，解决官网下载速度特别慢的问题https://grouplens.org/datasets/movielens/

国内下载，网速更快 官网下载地址：http://grouplens.org/datasets/movielens/ 三个文件数据简介如下： MovieLens 100k 100,000 ratings from 1000 users on 1700 movies. MovieLens 1M 1 million ratings from 6000 users on 4000 movies. MovieLens 10M 10 million ratings and 100,000 tag applications applied to 10,000 movies by 72,000 users.