GitLab

* graphsaint

* graphsaint

* graphsaint

* graphsaint

* fixed the model

* fixed some bugs

* fixed the computing of normalization and updated the results

* fixed some bugs and updated the results

* Update utils.py

* Update train_sampling.py

* Update train_sampling.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>