1. Singh J, Singh G, Singh R (2017) Optimization of sentiment analysis using machine learning classifiers. HCIS 7(1):1–12
2. Mishra P, Danda P, Dhakras P (2018) Code-mixed sentiment analysis using machine learning and neural network approaches. arXiv preprint arXiv:1808.03299
3. Ullah MA, Marium SM, Begum SA, Dipa NS (2020) An algorithm and method for sentiment analysis using the text and emoticon. ICT Exp 6(4):357–360
4. Badr EM, Salam MA, Ali M, Ahmed H (2019) Social media sentiment analysis using machine learning and optimization techniques. Int J Comput Appl 975:8887
5. Kawade DR, Oza KS (2017) Sentiment analysis: machine learning approach. Int J Eng Technol 9(3):2183–2186