Research Article
Unsupervised Chunking Based on Graph Propagation from Bilingual Corpus
Table 3
Feature template used in unsupervised chunking.
| | Basic: | (=, = ) |
| |
Contains digit: | check if x contains digit and conjoin with
(contains digit()=, = ) |
| |
Contains hypen: |
contains hypen()=, = |
| | Suffix: | indicator features for character suffixes of up to length 1 present in |
| | Prefix: | indicator features for character prefixes of up to length 1 present in |
| | Pos tag: | indicator feature for word POS assigned to |
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