Sentiment Analysis and Customer Satisfaction Prediction on E-Commerce Platforms Based on YouTube Comments Using the XGBoost Algorithm. - Ridho Benedictus Togi Manik; Muhammad Aqil Ramadhan; Ihsan Maulana Yusuf; Luluk Muthoharoh; Ardika Satria; Martin Clinton Tosima Manullang (CoRR, 2026)