embedding_size: 64              # (int) The embedding size of users and items.
dropout_prob: 0.4               # (float) The dropout rate. 
reg_weight: 1e-4                # (float) The L2 regularization weight.
nv: 4                           # (int) The number of vertical Convolutional filters.
nh: 8                           # (int) The number of horizontal Convolutional filters.
loss_type: 'CE'                 # (str) The type of loss function.
