Pei Chen created CTAKES-186:
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Summary: Add ClearNLP POSTagger as optional AE to choose from
Key: CTAKES-186
URL: https://issues.apache.org/jira/browse/CTAKES-186
Project: cTAKES
Issue Type: New Feature
Components: ctakes-pos-tagger
Affects Versions: 3.0-incubating
Reporter: Pei Chen
Assignee: Pei Chen
Priority: Minor
Fix For: 3.1
Add ClearNLP POSTagger as optional AE to choose from.
While working on the Dependency Parser/SRL labeler, we also have a POSTagger
from ClearNLP. It is fairly simple and I have the code ready (also trained on
the same data as the dep parser- MiPaq/SHARP) to be checked-in.
"The ClearNLP POS tagger shows more robust results on unknown words by
generalizing lexical features. You can find the reference from this paper.
Fast and Robust Part-of-Speech Tagging Using Dynamic Model Selection, Jinho D.
Choi, Martha Palmer, Proceedings of the 50th Annual Meeting of the Association
for Computational Linguistics (ACL'12), 363-367, Jeju, Korea, 2012. [1] It also
uses AdaGrad for machine learning, which is a more advanced learning algorithm
than maximum entropy used by OpenNLP."
[1] http://aclweb.org/anthology-new/P/P12/P12-2071.pdf
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