1. Saini, S., (Amity Institute of Information Technology, Noida, U. P., India), Punhani, R., Bathla, R., Shukla, V.K.: Sentiment analysis on twitter data using R. In: Proceedings of the 2019 International Conference on Automation, Computational and Technology Management, ICACTM 2019, pp 68–72, April 2019
2. Lu, P.: Research status and prospect of text affective analysis. Guangdong Sci. Technol. 6, 87–90 (2017) (In Chinese)
3. Xue, Y.D.: An overview of Chinese emotional analysis. Comput. Progr. Skills Maint. 5, 22–24 (2016) (In Chinese)
4. Pang, B., Lee, L., Vaithyanathan, S.: Thumbs up?: sentiment classification using machine learning techniques. In: Proceedings of the ACL-02 Conference on Empirical Methods in Natural Language Processing vol. 10. Association for Computational Linguistics pp 79–86 2002
5. Agarwal, A., Bhattacharyya, P.: Sentiment analysis: a new approach for effective use of linguistic knowledge and exploiting similarities in a set of documents to be classified (2005)