F. Maodah, E. . Utami, and S. Sudarmawan, “OPTIMIZING SENTIMENT ANALYSIS OF PRODUCT REVIEWS ON MARKETPLACE USING A COMBINATION OF PREPROCESSING TECHNIQUES, WORD2VEC, AND CONVOLUTIONAL NEURAL NETWORK”, J. Tek. Inform. (JUTIF), vol. 4, no. 1, pp. 101–107, Feb. 2023.