Lee, Sangwook, Jin Kim, and Hyunchul Kang. “Memory-Efficient Query Processing over XML Fragment Stream With Fragment Labeling”. Computing and Informatics 29, no. 5 (January 26, 2012): 757–782. Accessed April 11, 2025. http://147.213.75.17/ojs/index.php/cai/article/view/112.