Word Sequential Using Deep LSTM and Matrix Factorization to Handle Rating Sparse Data for E-Commerce Recommender System

Table 4

Dataset characteristics.

Data category	Number of users	Number of movies	Number of ratings	Sparsity level (%)	Extra information
1M	6.040	3.544	993.482	4.64	Demographic
10M	69.878	10.073	9.945.875	1.41	95.580 #tags
AIV	29.757	15.149	135.188	0.03	Review