data organization
5.Combining the knowledge representation, the article put forward to a data construction organization form of case base.
6.Now, there are several common system architecture such as data abstraction and OO organization, layered system.
7.According to the data from World Health Organization (WHO) and International Diabetes Federation (IDF) in 1999, there are about 130 million patients with DM around the world.
8.S-57 international standard is the electronic chart data transfer standard of International Hydrographic Organization (IHO) and International Maritime Organization (IMO). This standard provides the theoretical model, definition of data structure and concrete definition of objects. This paper adopts S-57 data model and hypergraph data structure to establish an infinite scale oriented spatial data model.
9.For a system,depicts geo-spatial data sharing mechanism from the organization,the standard of OGC(GML),heterogeneous database conversion and the sharing network(constructing geo-spatial data sharing network by MPLS VPN).
