Wikipedia mining of hidden links between political leaders
KM Frahm, K Jaffrès-Runser, DL Shepelyansky - arXiv preprint arXiv:1609.01948, 2016
... At present directed networks of real systems can be very large (about 4.2 million articles for the English Wikipedia edition in 2013 [10] or 3.5 billion web pages for a publicly accessible web crawl that was gathered by the Common Crawl Foundation in 2012 [28]). ...