Zhu, Linli, Yu Pan, Mohammad Reza Farahani, and Wei Gao. “ Graph Laplacian Based Ontology Regularization Distance Framework for Ontology Similarity Measuring and Ontology Mapping”. Journal of Computational Mathematica 1, no. 1 (June 30, 2017): 88-98. Accessed May 1, 2026. https://www.shcpub.in/index.php/cm/article/view/7.