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.
Illustration of (a) the top-down approach and (b) the genetic algorithm searching the solution space. Generalization schemes visited that were not on the path to the best solution are colored grey. The best scheme found is marked by a double border.
