J. Mueller, S. Doerfel, M. Becker, A. Hotho, и G. Stumme. Recommender Systems and the Social Web Workshop at 7th ACM Conference on Recommender Systems, RecSys 2013, Hong Kong, China -- October 12-16, 2013. Proceedings, стр. New York, NY, USA. ACM, (2013)accepted for publication.
M. Becker, J. Mueller, A. Hotho, и G. Stumme. 1st International Workshop on Pervasive Urban Crowdsensing Architecture and Applications, PUCAA 2013, Zurich, Switzerland -- September 9, 2013. Proceedings, стр. 1175--1182. New York, NY, USA, ACM, (2013)