Saranya, N., R. Gunavathi, and . . “A Novel Sentimental Analysis Using Optimized Relevance Vector Machine Classifier”. International Journal of Engineering & Technology 7, no. 4.7 (September 27, 2018): 164–166. Accessed May 3, 2024. https://sciencepubco.com/index.php/ijet/article/view/20536.