Face-to-Face Contacts at a Conference: Dynamics of Communities and Roles.
In: Modeling and Mining Ubiquitous Social Media. Springer Verlag, Heidelberg, Germany, 2012.
Martin Atzmueller, Stephan Doerfel, Andreas Hotho, Folke Mitzlaff und Gerd Stumme.
[doi]  [BibTeX] 

Mining Social Media: Key Players, Sentiments, and Communities.
WIREs: Data Mining and Knowledge Discovery, In Press, 2012.
Martin Atzmueller.
[BibTeX]