Purba, R. ., F. M. Sinaga, S. . Jurnalis Pipin, and K. Kelvin. “FINE-GRAINED SENTIMENT ANALYSIS ON BIG DATA FROM MULTI-PLATFORM IN INDONESIA”. JITK (Jurnal Ilmu Pengetahuan Dan Teknologi Komputer), vol. 11, no. 1, Aug. 2025, pp. 64-75, doi:10.33480/jitk.v11i1.6549.