TY - JOUR TI - Unmasking sarcasm to understand depression: A machine learning exploration using news headlines AU - KSHIRSAGAR, V.G. AU - YADAV, S.K. AU - KARANDE, N. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 478 EP - 489 DO - 10.14744/sigma.2026.1993 ER -