MovieLens

SN	Dataset	#User	#Item	#Inteaction	Sparsity	Interaction Type	TimeStamp	User Context	Item Context	Interaction Context
1	ml-100k	943	1,682	100,000	93.70%	Rating [1-5]	√	√	√
2	ml-1m	6,040	3,952	1,000,209	95.81%	Rating [1-5]	√	√	√
3	ml-10m	69,878	10,681	10,000,054	98.69%	Rating [0.5-5] half-stars	√		√
4	ml-20m	138,493	27,278	20,000,263	99.47%	Rating [0.5-5] half-stars	√		√