This paper uses multi-quadric equations interpolation to es-tablish a widely covered and valuablespeed field model of China, withwhich the horizontal crustal mo
This paper presents a field based method to deal with the displacement of building cluster,which is driven by the street widening. The compress of street bounda
An Oracle8i-based ap-proach is proposed to manage the inte-grated databases of large CyberCity.This approach consists of threeis designed to accelerate spatial