Ongko, B. K. ., A. V. Vitianingsih, D. . Cahyono, A. . Lidya Maukar, and S. . Fitri Ana Wati. “Emotion-Based Multi-Class Sentiment Analysis Of FirstMedia Customers Reviews Using SVM With Kernel Comparison”. Sinkron : Jurnal Dan Penelitian Teknik Informatika, vol. 10, no. 1, Jan. 2026, pp. 550-9, doi:10.33395/sinkron.v10i1.15644.