1. Devi DN, Kumar CK, Prasad S (2016) A feature based approach for sentiment analysis by using support vector machine. In: Proceedings of the IEEE 6th international conference on advanced computing (IACC). India, pp 3–8
2. Pong-Inwong C, Rungworawut WS (2014) Teaching senti-lexicon for automated sentiment polarity definition in teaching evaluation. In: Proceedings of the 10th international conference on semantics, knowledge and grids. China, pp 84–91
3. Esparza GG, Díaz AP, Canul J, De-Luna CA, Ponce J (2016) Proposal of a Sentiment Analysis Model in Posts for improvement of the teaching-learning process in the classroom using a corpus of subjectivity. Int J Combinatorial Optimiz Problems Informat 7(2):22–34
4. Rajput Q, Haider S, Ghani S (2016) Lexicon-based sentiment analysis of teachers’ evaluation. In: Applied computational intelligence and soft computing
5. Ravi K, Ravi V (2015) A survey on opinion mining and sentiment analysis: missions, approaches and applications. Knowl-Based Syst 89:14–46