Naufal, and Nurirwan Saputra. “Multiclass Emotion Detection on YouTube Comments Using IndoBERT: A Web-Based Incremental Learning System With Multiple Data Split Evaluation”. Ultimatics : Jurnal Teknik Informatika, vol. 17, no. 2, Jan. 2026, pp. 263-9, doi:10.31937/ti.v17i2.4558.