GitLab

* Draft for sparse emb

* add some notes

* Fix

* Add sparse optim for dist pytorch

* Update test

* Fix

* upd

* upd

* Fix

* Fix

* Fix bug

* add transductive exmpale

* Fix example

* Some fix

* Upd

* Fix lint

* lint

* lint

* lint

* upd

* Fix lint

* lint

* upd

* remove dead import

* update

* lint

* update unitest

* update example

* Add adam optimizer

* Add unitest and update data

* upd

* upd

* upd

* Fix docstring and fix some bug in example code

* Update rgcn readme
Co-authored-by: Ubuntu <ubuntu@ip-172-31-57-25.ec2.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-24-210.ec2.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-2-66.ec2.internal>

* remove num_workers.

* remove num_workers.

* remove num_workers.

* remove num-servers.

* update error message.

* update docstring.

* fix docs.

* fix tests.

* fix test.

* fix.

* print messages in test.

* fix.

* fix test.

* fix.
Co-authored-by: Ubuntu <ubuntu@ip-172-31-9-132.us-west-1.compute.internal>

* reorg

* change titles

* rm some stale API doc; minor fix

* fix docs

* add warning

* rm new-tutorial run in ci

* lint

* [Doc] Add Chapter 7

* [Doc] Add CN part 7, 7.1, 7.2, and 7.3

* [Doc] Add CN part 7, 7.1, 7.2, and 7.3

* [Doc] 1st round copyediting, 7, 7.1, 7.2, and 7.3, removing EN parts.

* [Doc] 2nd round copyediting.

* [Doc] 3rd round copyediting.

* [Doc] Copyedit with reviewers' comments.
Co-authored-by: Mufei Li <mufeili1996@gmail.com>