A new least squares method based line generalization in GIS. - Xiaohua Tong; Gusheng Xu (IGARSS, 2004)

GML and XQuery based cadastral spatial object query model description and implementation. - Gusheng Xu; Xiaohua Tong (IGARSS, 2004)

Positional accuracy improvement: a comparative study in Shanghai, China. - Xiaohua Tong; Dan Liang; Gusheng Xu; Songlin Zhang (Int. J. Geogr. Inf. Sci., 2011)