2012

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

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

2011

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