Karpagalingam, Thirumoorthy, and Muneeswaran Karuppaiah. “Optimal Feature Subset Selection Based on Combining Document Frequency and Term Frequency for Text Classification”. Computing and Informatics 39, no. 5 (March 25, 2021): 881–906. Accessed November 7, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2020_5_881.