Gouda, Karam, Gyöngyi Bujdosó, and Mosab Hassaan. “Scaling Subgraph Matching by Improving Ullmann Algorithm”. Computing and Informatics 41, no. 4 (November 9, 2022): 1002–1024. Accessed November 7, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2022_4_1002.