1. W. Medhat, A. Hassan, H. Korashy, Sentiment analysis algorithms and applications: a survey. Ain Shams Eng. J. 5(4), 1093–1113 (2014)
2. A. Montoyo, P. Martínez-Barco, A. Balahur, Subjectivity and sentiment analysis: an overview of the current state of the area and envisaged developments. Decis. Support Syst. 53, 75–679 (2012)
3. L . Ziora, The sentiment analysis as a tool of business analytics. Stud. Ekon. Zesz. Nauk. Uniw. Ekon. W Katowicach, No. 281P (2016). http://Blog.Aylien.Com/Building-A-Twitter-Sentimen
4. A. Pak, P. Paroubek, Twitter as a corpus for sentiment analysis and opinion mining, in Proceedings of the Seventh Conference on International Language Resources and Evaluation (2010), pp. 1320–1326
5. A. Agarwal, B. Xie, I. Vovsha, O. Rambow, R. Passonneau, Sentiment analysis of Twitter data, in Proceedings of the ACL 2011 Workshop on Languages in Social Media (2011), pp. 30–38