2025. Instagram-Based Sentiment Analysis on the Oil Refinery Project in Batam Using SVM and XGBoost. Journal of Innovation and Technology Polbeng Series on Informatics (INOVTEK Polbeng - Seri Informatika). 10, 2 (Jul. 2025), 1197–1207. DOI:https://doi.org/10.35314/am1zxb64.