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From "Rob ten Hove (JIRA)" <>
Subject [jira] Commented: (LUCENE-1373) Most of the contributed Analyzers suffer from invalid recognition of acronyms.
Date Thu, 09 Jul 2009 11:09:15 GMT


Rob ten Hove commented on LUCENE-1373:

@Mark, thanks for your reply on my question. So far the developers that worked on the application
I was talking about were able to find a workaround. One thing is certain: the token analyzer
mistreats the content... whether the content is an acronym or just plain text... seems that
it tries to interpret the content of database elements a bit too much rather than just treat
it as plain content...

> Most of the contributed Analyzers suffer from invalid recognition of acronyms.
> ------------------------------------------------------------------------------
>                 Key: LUCENE-1373
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Analysis, contrib/analyzers
>    Affects Versions: 2.3.2
>            Reporter: Mark Lassau
>            Priority: Minor
>         Attachments: LUCENE-1373.patch
> LUCENE-1068 describes a bug in StandardTokenizer whereby a string like ""
would be incorrectly tokenized as an acronym (note the dot at the end).
> Unfortunately, keeping the "backward compatibility" of a bug turns out to harm us.
> StandardTokenizer has a couple of ways to indicate "fix this bug", but unfortunately
the default behaviour is still to be buggy.
> Most of the non-English analyzers provided in lucene-analyzers utilize the StandardTokenizer,
and in v2.3.2 not one of these provides a way to get the non-buggy behaviour :(
> I refer to:
> * BrazilianAnalyzer
> * CzechAnalyzer
> * DutchAnalyzer
> * FrenchAnalyzer
> * GermanAnalyzer
> * GreekAnalyzer
> * ThaiAnalyzer

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