P. Melville, W. Gryc, и R. Lawrence. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 1275--1284. New York, NY, USA, ACM, (2009)
W. Lehnert. HLT '91: Proceedings of the workshop on Speech and Natural Language, стр. 489--489. Morristown, NJ, USA, Association for Computational Linguistics, (1992)
M. Somaiya, C. Jermaine, и S. Ranka. Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 909--918. ACM, (2010)
M. Naaman, J. Boase, и C. Lai. Proceedings of the 2010 ACM conference on Computer supported cooperative work, стр. 189--192. New York, NY, USA, ACM, (2010)