1. De Saeger, S., Torisawa, K., Kazama, J.: Looking for Trouble. In: Proceedings of the 22nd International Conference on Computational Linguistics, vol. 1, pp. 185–192. Association for Computational Linguistics (2008)
2. Fleiss, J.L.: Statistical Methods for Rates and Proportions. Wiley Series in Probability and Mathematical Statistics. Applied Probability and Statistics. Wiley, New York (1981)
3. Gupta, N.: Extracting Descriptions of Problems with Products and Services from Twitter Data. In: Proceedings of the Third Workshop on Social Web Search and Mining, Beijing (2011)
4. Gupta, N.: Extracting Phrases Describing Problems with Products and Services from Twitter Messages. Technical report, Conference on Intelligent Text Processing and Computational Linguistics (2013)
5. Hu, M., Liu, B.: Mining and Summarizing Customer Reviews. In: Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, KDD 2004, pp. 168–177. ACM, New York (2004a)