N. Nejati, P. Langley, и T. Konik. ICML '06: Proceedings of the 23rd international conference on Machine learning, стр. 665--672. New York, NY, USA, ACM, (2006)
E. Riloff, и J. Wiebe. Proceedings of the 2003 conference on Empirical methods in natural language processing, стр. 105--112. Morristown, NJ, USA, Association for Computational Linguistics, (2003)
P. Kolari, T. Finin, и A. Joshi. AAAI Spring Symposium on Computational Approaches to Analysing Weblogs, Computer Science and Electrical Engineering, University of Maryland, Baltimore County, (марта 2006)Also available as technical report TR-CS-05-13.