R. D'Amore. SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 498--499. New York, NY, USA, ACM Press, (2004)
R. Ghani, S. Slattery, und Y. Yang. ICML '01: Proceedings of the Eighteenth International Conference on Machine Learning, Seite 178--185. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (2001)
J. Kubica, A. Moore, und J. Schneider. ICDM '03: Proceedings of the Third IEEE International Conference on Data Mining, Seite 573--576. Washington, DC, USA, IEEE Computer Society, (November 2003)