Scholz, Christoph and Macek, Bjoern-Elmar and Atzmueller, Martin and Doerfel, Stephan and Stumme, Gerd. Mining Social Links for Ubiquitous Knowledge Engineering. Socio-technical Design of Ubiquitous Computing Systems. editor(s) David, Klaus and Geihs, Kurt and Leimeister, Jan Marco and Roßnagel, Alexander and Schmidt, Ludger and Stumme, Gerd and Wacker, Arno. 109-129, Springer International Publishing, Year 2014.
Manning, Christopher D. and Raghavan, Prabhakar and Schütze, Hinrich. Introduction to Information Retrieval. Cambridge University Press, New York, Year 2008.
de Nooy, Wouter and Mrvar, Andrej and Batagelj, Vladimir. Exploratory Social Network Analysis with Pajek (Structural Analysis in the Social Sciences). Cambridge University Press, Year 2005.
Diestel, Reinhard. Graph Theory. I-XVI, 1-344, Springer-Verlag Heidelberg, New York, Year 2005.