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Open-Source Datasets for Recommender Systems Analysis

International Journal of Mathematical, Engineering, Biological and Applied Computing | Vol 1, Issue 2

Table 3. Performance comparison of datasets usingdifferent metrics

Dataset	Items	Users	Density	Ratings	Rating Scale
Book-Crossing	271379	92107	0.0041%	1031175	[1, 10], and implicit
Wikipedia	4936761	5583724	0.0015%	417996366	Interactions
Git	1757	790	0.95%	13165	Interactions
Jester	150	124113	31.50%	5865235	[-10, 10]
Last.fm	17632	1892	0.28%	92834	Play Counts
OpenStreetMap	108330	231	0.82%	205774	Interactions
Movielens 1M	3883	6040	4.26%	1000209	[1-5]
Movielens 10M	10681	69878	1.33%	10000054	[0.5-5]
Movielens 20M	27278	138493	0.52%	20000263	[0.5-5]

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