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.
Feature template used in unsupervised chunking.
| Basic: | (x=, z = ) |
|
| |
| Contains digit: | check if x contains digit and conjoin with z
(contains digit(x)=, z = ) |
|
| |
| Contains hypen: | contains hypen(x)=, z = |
|
| |
| Suffix: | indicator features for character suffixes of up to length 1 present in x |
|
| |
| Prefix: | indicator features for character prefixes of up to length 1 present in x |
|
| |
| Pos tag: | indicator feature for word POS assigned to x |
