J. Xie, B. Knijnenburg, и H. Jin. Proceedings of the 19th International Conference on Intelligent User Interfaces, стр. 189--198. New York, NY, USA, ACM, (2014)
F. Abel, J. Coi, N. Henze, A. Koesling, D. Krause, и D. Olmedilla. Web Information Systems and Technologies, 5th International Conference, WEBIST 2009, Lisbon, Portugal, March 23-26, 2009, Revised Selected Papers, том 45 из Lecture Notes in Business Information Processing, стр. 142-156. Springer, (2010)