1. Harshavardhan Achrekar, Avinash Gandhe, Ross Lazarus, Ssu-Hsin Yu, and Benyuan Liu. 2011. Predicting flu trends using twitter data. In Computer Communications Workshops (INFOCOM WKSHPS), 2011 IEEE Conference on. IEEE, 702--707.
2. Aramaki, Eiji and Maskawa, Sachiko and Morita, Mizuki. 2011. Twitter catches the flu: detecting influenza epidemics using Twitter. Proceedings of the conference on empirical methods in natural language processing. Association for Computational Linguistics, 1568--1576.
3. Leo Breiman. 2001. Random forests. Machine learning 45, 1(2001), 5--32.
4. Chew, Cynthia and Eysenbach, Gunther.2010. Pandemics in the age of Twitter: content analysis of Tweets during the 2009 H1N1 outbreak. PloS one. Public Library of Science, 5, 11(2010), e14118.
5. Corley, Courtney and Mikler, Armin R and Singh, Karan P and Cook, Diane J. 2009. Monitoring Influenza Trends through Mining Social Media. In Proceedings of the 2009 International Conference on Bioinformatics and Computational Biology (BIOCOMP09). 340--346.