Zhu, W., C. . Tan, Q. . Xu, and Y. . Xiao. “Heterogeneous Identity Expression and Association Method Based on Attribute Aggregation”. Journal of Web Engineering, vol. 19, no. 7-8, Nov. 2020, pp. 1267-90, https://journals.riverpublishers.com/index.php/JWE/article/view/5471.