Construction and Application of Subject Knowledge Graph for Basic Education. - Tao Xu; Xiaqing Ma; Fengsi Wang; Chun Liu; Zixiang Zhang; Peiming Lu; Daojun Han (ISCIPT, 2022)

Spatial Concept Query Based on Lattice-Tree. - Aopeng Xu; Zhiyuan Zhang; Xiaqing Ma; Zixiang Zhang; Tao Xu (ISPRS Int. J. Geo Inf., 2022)