Cross-referencing other information

[Don Tsang]

Please take a look at https://github.com/husthuke/awesome-knowledge-graph and see if there are missing papers that can be added to this repo.

[Shaoxiong Ji]

Thanks. A link to this repo added. Maybe have a look later.

[Don Tsang]

@shaoxiongji I am referring to the papers, tools and repos within that link that can be added to this repo, but that is good to know as well.