embedding_size: 10              # (int) The embedding size of features.
mlp_hidden_size: [256,256,256]  # (list of int) The hidden size of MLP layers. 
dropout_prob: 0.0               # (float) The dropout rate.
pooling_mode: 'mean'            # (str) Pooling mode of sequence data.
gru_type: 'AUGRU'               # (str) GRU type of Interest Evolving Layer. 
alpha: 1.0                      # (float) Weight to balance the interest representation and CTR prediction.