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From "Lance Norskog (JIRA)" <>
Subject [jira] [Commented] (LUCENE-2899) Add OpenNLP Analysis capabilities as a module
Date Wed, 06 Jun 2012 08:36:23 GMT


Lance Norskog commented on LUCENE-2899:

About the build-
# This should be a Lucene module. I got lost trying to make the build work copying jars around,
so it will ended up in Solr/contrib.
# Downloading the jars. I don't know how to put together license validation with the OpenNLP
Maven build. I think it takes some upgrading in the OpenNLP project.
# Why download the models from a separate place? The models are not Apache licensed. They
are binaries derived from GNU- and otherwise licensed training data. The OpenNLP people archived
them on Sourceforge.

> Add OpenNLP Analysis capabilities as a module
> ---------------------------------------------
>                 Key: LUCENE-2899
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: modules/analysis
>            Reporter: Grant Ingersoll
>            Priority: Minor
>         Attachments: opennlp_trunk.patch
> Now that OpenNLP is an ASF project and has a nice license, it would be nice to have a
submodule (under analysis) that exposed capabilities for it. Drew Farris, Tom Morton and I
have code that does:
> * Sentence Detection as a Tokenizer (could also be a TokenFilter, although it would have
to change slightly to buffer tokens)
> * NamedEntity recognition as a TokenFilter
> We are also planning a Tokenizer/TokenFilter that can put parts of speech as either payloads
(PartOfSpeechAttribute?) on a token or at the same position.
> I'd propose it go under:
> modules/analysis/opennlp

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