GitLab

* minibatch rgcn

* minibatch based rgcn

* remove ogb

* lint

* Add sparse emb

* Fix

* Fix
Co-authored-by: Ubuntu <ubuntu@ip-172-31-51-214.ec2.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-68-185.ec2.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-87-240.ec2.internal>