Nurpadhilah, Naurah, and Surya Saputera. 2026. “Sentiment Analysis and Characteristics of Youtube User Opinions Toward Samsung and Iphone Brands Using TF-IDF With Naive Bayes and KNN Comparison and Mcnemar Test”. Jurnal Media Computer Science 5 (2), 987-98. https://doi.org/10.37676/jmcs.v5i2.11311.