“…Importantly, such mapping should consider disciplinary differences in citations from Wikipedia, as well as books (5.3 million citations by our estimates) and nonscientific sources such as news outlets and other online media (21.5 million citations), which make up the largest share of Wikipedia citations. Answering these questions is critical to inform the community work on improving Wikipedia by finding and filling knowledge gaps and biases, at the same time guaranteeing the quality and diversity of the sources Wikipedia relies upon (Hube, 2017;Mesgari et al, 2015;Piscopo, Kaffee et al, 2017;Piscopo & Simperl, 2019;Wang & Li, 2020). Link prediction in general, and citation recommendation in particular, have been explored for Wikipedia for some time (Fetahu et al, 2016;Paranjape, West et al, 2016;Wulczyn, West et al, 2016).…”