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OPENNLP-1233: Link the POS and chunk tag references#1170

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mawiesne merged 2 commits into
apache:mainfrom
jerry317395616:OPENNLP-1233-chunker-tag-links
Jul 13, 2026
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OPENNLP-1233: Link the POS and chunk tag references#1170
mawiesne merged 2 commits into
apache:mainfrom
jerry317395616:OPENNLP-1233-chunker-tag-links

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@jerry317395616

@jerry317395616 jerry317395616 commented Jul 13, 2026

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Summary

  • describe the two tag systems used by the chunking example separately
  • retain the existing Penn Treebank part-of-speech tag reference
  • link the CoNLL-2000 IOB chunk tags to the corresponding ACL Anthology paper

Validation

  • the added ACL Anthology link returns HTTP 200
  • parsed chunker.xml with DTD processing enabled and external resolution disabled
  • mvn -pl opennlp-docs -P!doc-manual-html,!doc-manual-pdf -DskipTests package

@mawiesne

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NOTE

Previous URL https://www.ling.upenn.edu/courses/Fall_2003/ling001/penn_treebank_pos.html works fine for me, got HTTP 200.

@jerry317395616

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Thanks for checking. The 403 response was specific to my environment. I restored the existing Penn Treebank URL and limited this PR to distinguishing the POS and chunk tag systems and adding the missing CoNLL-2000 chunk-tag reference.

@mawiesne mawiesne merged commit 47367dd into apache:main Jul 13, 2026
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3 participants