1. The clueweb12 dataset (2012).
http://lemurproject.org/clueweb12/
2. Yahoo! altavista web page hyperlink connectivity graph (2012).
http://webscope.sandbox.yahoo.com/
3. Graph 500, May 2017.
www.graph500.org
4. Lehigh university benchmark (lubm) (2017).
http://swat.cse.lehigh.edu/projects/lubm/
5. The linking open data cloud diagram: Datahub (2017).
https://datahub.io/dataset