About the diffnet on gcn layer is zero.

[ll0ruc]

Hi, I set diffnet with different K gcn layers. While for k =0, it means the self.final_user_embedding = self.fusion_user_embedding + user_embedding_from_consumed_items, and fixed other components. For yelp, during 300 epochs, I get the best performance: HR=0.2630, NDCG=0.1415. It looks terrible.