Scholz, C.; Macek, B.-E.; Atzmueller, M.; Doerfel, S. & Stumme, G. (2014), Mining Social Links for Ubiquitous Knowledge Engineering, in Klaus David; Kurt Geihs; Jan Marco Leimeister; Alexander Roßnagel; Ludger Schmidt; Gerd Stumme & Arno Wacker, ed., 'Socio-technical Design of Ubiquitous Computing Systems' , Springer International Publishing, , pp. 109-129 .