A pytorch toy implementation of Neural Graph Collaborative filtering

link:https://arxiv.org/pdf/1905.08108.pdf

Tested on dataset movielens 100k

Add three transform layer to yield predictions of ratings

No node and message drop out

Train 0.8 test 0.2

SVD dim 50 RMSE 0.931

NCF dim 64 layers [128,64,32,8] RMSE 0.928

NGCF dim 64 layers [64,64,64] RMSE 0.896