Huafei Yang Rui Xin Nan Zhang Chengjun Sun Jian Pan Research on Constructing System of Graphic Knowledge Map Based on Multi-Modal Data. 855-860 2023 ICISCAE https://doi.org/10.1109/ICISCAE59047.2023.10393580 conf/iciscae/2023 db/conf/iciscae/iciscae2023.html#YangXZSP23