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https://issues.apache.org/jira/browse/LUCENE-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12878324#action_12878324
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Steven Rowe commented on LUCENE-2498:
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I wonder if it would be possible/make sense to make this a tokenizer instead of
a charfilter: one token per sentence. Then token production would be in a
filter stage.
> add sentence boundary charfilter
> --------------------------------
>
> Key: LUCENE-2498
> URL: https://issues.apache.org/jira/browse/LUCENE-2498
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Reporter: Robert Muir
>
> From the discussion of LUCENE-2167:
> It would be nice to have a CharFilter? to mark sentence boundaries.
> Such functionality would be useful for:
> * prevent phrase queries with 0 slop from matching across sentences
> * inhibiting multiword synonyms, or shingles, etc.
> For sentence boundary detection we could use Jflex's support for the Unicode
> Sentence_Break property etc,
> and the UAX#29 definition as a default grammar.
> One idea is to just mark the boundaries with a user-provided String.
> As a simple use-case, a user could then add this string to a stopfilter, and
> it would introduce a position increment.
> This would inhibit phrase queries, etc.
> a user could use the sentence-markers to do more advanced processing
> downstream.
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