Personalized Music Recommendation Algorithm Based on Spark Platform

Table 2

Information on the datasets used for the experiments.

Dataset	Number of users	Number of works	Number of ratings	Rating density	Rating level
Yahoo Music	7400	3000	15335	0.0006	1, 2, …, 100
Online music platform	11406	34668	170321	0.0152	1, 2, …, 10