Hasibuan, MS, and Ruki Rizal Nul Fikri. “Sentiment Analysis of User Satisfaction Toward AI Medical Chatbot Services Using a Natural Language Processing Approach”. Explainable Artificial Intelligence in Healthcare 1, no. 1 (May 1, 2026): 53–67. Accessed June 6, 2026. https://xaih.mbicore.com/index.php/xaih/article/view/4.