Q. He, D. Kifer, J. Pei, P. Mitra, и C. Giles. Proceedings of the fourth ACM international conference on Web search and data mining, стр. 755--764. New York, NY, USA, ACM, (2011)
Y. Wang, E. Zhai, J. Hu, и Z. Chen. Proceedings of the seventh International Conference on Fuzzy Systems and Knowledge Discovery, 6, стр. 2777--2781. IEEE, (августа 2010)
T. Strohman, W. Croft, и D. Jensen. Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 705--706. New York, NY, USA, ACM, (2007)
S. Bethard, и D. Jurafsky. Proceedings of the 19th ACM international conference on Information and knowledge management, стр. 609--618. New York, NY, USA, ACM, (2010)