C. Lu, X. Chen, и E. Park. CIKM '09: Proceeding of the 18th ACM conference on Information and knowledge management, стр. 1545--1548. New York, NY, USA, ACM, (2009)
R. Bekkerman, R. El-Yaniv, и A. McCallum. ICML '05: Proceedings of the 22nd International Conference on Machine learning, стр. 41--48. New York, NY, USA, ACM, (2005)
A. Popescul, L. Ungar, D. Pennock, и S. Lawrence. Proceedings of the 17th Conference on Uncertainty in Artificial Intelligence, стр. 437--444. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (августа 2001)