1. A. Tumasjan, T.O. Sprenger, P.G. Sandner, I.M. Welpe, Predicting elections with twitter: What 140 characters reveal about political sentiment, in: Proceedings of the Fourth International AAAI Conference on Weblogs and Social Media, vol. 178, 2010.
2. Prabhsimran Singh, Ravinder Singh Sawhney, Karanjeet Singh Kahlon, Predicting the outcome of spanish general elections 2016 using twitter as a tool, in: Advanced Informatics for Computing Research, First International Conference, ICAICR, Jalandhar, India, 2017.
3. A. Khatua, A. Khatua, K. Ghosh, N. Chaki, Can # Twitter_Trends predict election results? Evidence from 2014 indian general election, in: 48th Hawaii International Conference on System Sciences, 2015.
4. N. Dwi Prasetyo, C. Hauff, Twitter-based election prediction in the developing world, in: HT ’15 Proceedings of the 26th ACM Conference on Hypertext & Social Media, vol. 149, 2015.
5. A sentiment analysis of Singapore presidential election 2011 using twitter data with census correction;Choy,2011