D. Chakrabarti, R. Kumar, und A. Tomkins. Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 554--560. New York, NY, USA, ACM, (2006)
R. Dechter. Proceedings of the Twelfth international conference on Uncertainty in artificial intelligence, Seite 211--219. Morgan Kaufmann Publishers Inc., (1996)