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.
A three-level communication architecture. This includes the technical problem, semantic problem, and effectiveness problem of communication, as well as the mathematical foundation behind Shannon’s information theory and semantic information theory.
