1. Wardhani, N.K., et al.: Sentiment analysis article news coordinator minister of maritime affairs using algorithm naive bayes and support vector machine with particle swarm optimization. J. Theor. Appl. Inf. Technol. 96(24), 8365–8378 (2018)
2. Yu, X., Zhong, C., Li, D., Xu, W.: Sentiment analysis for news and social media in COVID-19. In: Proceedings of the 6th ACM SIGSPATIAL International Workshop on Emergency Management using GIS, pp. 1–4. Association for Computing Machinery, Seattle Washington (2020)
3. Taj, S., Shaikh, B.B., Meghji, A.F.: Sentiment analysis of news articles: a lexicon based approach. In: 2nd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET), pp. 1–5. IEEE, Sukkur, Pakistan (2019)
4. Godbole, N., Srinivasaiah, M., Skiena, S.: Large-scale sentiment analysis for news and blogs. In: Proceedings of the International Conference on Weblogs and Social Media, pp. 219–222 (2007)
5. Swati, U., Pranali, C., Pragati, S.: Sentiment analysis of news articles using machine learning approach. In: Proceedings of 20th IRF International Conference, pp.114–116 (2015)