Dr. K. Arutchelvan, R. Ramachandran,. “An Efficient Named Entity Recognition Model in Medical Health Records Using Water Wave Optimization With Kernel Extreme Learning Machine ”. Design Engineering (August 14, 2021): 8564- 8580. Accessed May 6, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/3397.