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https://issues.apache.org/jira/browse/LUCENE-915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man resolved LUCENE-915.
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Resolution: Invalid
> I'd imagine you aren't going to fix it since it would require explicit
> 'exception word'
> checking being added to the algorithm.
...well, my point actually is that there is no bug to fix -- the algorithm is
what it is, and the code implements the algorithm.
changing the code wouldn't be fixing a bug, it would be breaking the
PorterStemmer class so that it no longer does what it says "implementing the
Porter Stemming Algorithm"
i'm sure there are *lots* of other use cases unrelated the the ones you
outlined where people could argue that the Porter algorithm does something they
don't want -- but that's just the nature of algorithm stemmers. as outlined
onthe Porter Stemmer homepage...
"The most frequently asked question is why word X should be stemmed to x1, when
one would have expected it to be stemmed to x2. It is important to remember
that the stemming algorithm cannot achieve perfection. On balance it will (or
may) improve IR performance, but in individual cases it may sometimes make what
are, or what seem to be, errors."
> PorterStemmer is incorrectly truncating words ending in e
> ---------------------------------------------------------
>
> Key: LUCENE-915
> URL: https://issues.apache.org/jira/browse/LUCENE-915
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index, QueryParser, Search
> Affects Versions: 1.9
> Environment: Java 1.5 on Mac OS X 10.4.
> Reporter: Paul Curren
>
> Searching for the word 'orange' will result incorrectly in matches for
> 'orang'.
> Likewise, searching for 'apple' will incorrectly match 'appl'
> The problem is in step6() of the PorterStemmer class.
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