Li, Xiaoqian, Huachun Zhou, Hongbin Luo, Hongke Zhang, Feng Qiu, and Ilsun You. 2014. “HMS: A Hierarchical Mapping System for the Locator ID Separation Network”. Computing and Informatics 32 (6):1229-55. http://147.213.75.17/ojs/index.php/cai/article/view/2163.