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Atzmueller, M., Doerfel, S., Hotho, A., Mitzlaff, F. & Stumme, G. (2012). Face-to-Face Contacts at a Conference: Dynamics of Communities and Roles. In Modeling and Mining Ubiquitous Social Media , Vol. 7472 . Springer Verlag .

Atzmueller, M., Doerfel, S., Hotho, A., Mitzlaff, F. & Stumme, G. (2011). Face-to-Face Contacts during LWA 2010 - Communities, Roles, and Key Players. Working Notes of the LWA 2011 - Learning, Knowledge, Adaptation, .