“Patent Analysis of ‘Method and System for Analyzing Customer Calls by Implementing a Machine Learning Model to Identify Emotions’ (US 11,630,999 B2): A Technological, Strategic, and Commercial Evaluation”. Poornaprajna International Journal of Basic & Applied Sciences (PIJBAS) 3, no. 2 (July 20, 2026): 39–76. Accessed August 25, 2026. https://www.poornaprajnapublication.com/index.php/pijbs/article/view/220.