1. Paul, M. J. & Dredze, M. (2011). You are what you tweet: Analyzing twitter for public health. In Fifth international AAAI conference on weblogs and social media.
2. Pak, A. & Paroubek, P. (2010). Twitter as a corpus for sentiment analysis and opinion mining. In LREc (Vol. 10, pp. 1320–1326).
3. Weng, J. & Lee, B. -S. (2011). Event detection in twitter. In Fifth international AAAI conference on weblogs and social media.
4. Big crisis data: Social media in disasters and time-critical situations;Castillo,2016
5. Imran, M., Castillo, C., Diaz, F. & Vieweg, S. (2015). Processing social media messages in mass emergency: A survey. ACM Computing Surveys (CSUR) 47 (4), 67.