This paper discusses how to implement the procedure of information extraction from data and knowledge discovery from information in the grid computing environment, from the point of view of grid technology and information grid.

• 本文从近年来兴起的网格(Grid)技术和信息网格(information Grid)出发,研究地球空间信息(Geo-spatial information)领域中如何在网格环境下实现从数据到信息再到知识的升华以及基于网格的空间信息服务。