E. Bakshy, J. Hofman, W. Mason, und D. Watts. Proceedings of the Fourth ACM International Conference on Web Search and Data Mining, Seite 65--74. New York, NY, USA, ACM, (2011)
M. Keally, G. Zhou, G. Xing, J. Wu, und A. Pyles. Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems, Seite 246--259. New York, NY, USA, ACM, (2011)
S. Bethard, und D. Jurafsky. Proceedings of the 19th ACM international conference on Information and knowledge management, Seite 609--618. New York, NY, USA, ACM, (2010)