The web page you have linked literally has "A multidisciplinary research and teaching department of the University of Oxford, dedicated to the social science of

The web page you have linked literally has "A multidisciplinary research and teaching department of the University of Oxford, dedicated to the social science of the Internet" at the top of the page. The internal organisation of Oxford is definitely weird (I did my doctorate at the OII and most of the university didn't know we existed or thought we were part of computer science) but it's not that obscure.