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.
Sample of features selected within topics 10, 12 and 14 . For each topic, there were 236 features selected. All 20 topics, each containing 236 features, are available at http://ariana82.bol.ucla.edu/downloads-2/files/ALSNMFTopics.xlsx for download.
