Peng W, Park DH. Generate Adjective Sentiment Dictionary for Social Media Sentiment Analysis Using Constrained Nonnegative Matrix Factorization. ICWSM [Internet]. 2021Aug.3 [cited 2024Apr.17];5(1):273-80. Available from: https://ojs.aaai.org/index.php/ICWSM/article/view/14090