Mei Qing Du Peng Song Donglin Li Weipeng Ding Xinfeng Li Design and Implementation of the Integrated Platform of Housing and Land Investigation Based on Geopackage. 325-331 2021 EBEE https://doi.org/10.1145/3510249.3510305 conf/ebee/2021 db/conf/ebee/ebee2021.html#DuSLDL21