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.
Classes used by the evaluators when assessing the headings assigned by the system
| Class | Description |
|---|---|
| 1 | Correct: the subject heading suits the text in this paragraph. |
| 2 | Partly correct: the subject heading only suits some of the text, not all. |
| 3 | Incorrect: the subject heading does not seem to suit any of the text. |
| 4 | Unable to assess: unable to asses whether or not this subject heading is suitable. |
