Figure 11.
Multiform schema sharing: a schema is updatable by each local server independently and a compatible version is maintained by the central server (see online version for colours)
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.