Wichaiwong, Tanakorn, and Chuleerat Jaruskulchai. “A Double Scoring Method for XML Element Retrieval”. Computing and Informatics 32, no. 2 (May 23, 2013): 411–440. Accessed April 27, 2025. http://147.213.75.17/ojs/index.php/cai/article/view/1629.