F. Radlinski, und T. Joachims. KDD '07: Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 570--579. New York, NY, USA, ACM Press, (2007)
T. Joachims, L. Granka, B. Pan, H. Hembrooke, und G. Gay. SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 154--161. New York, NY, USA, ACM Press, (2005)