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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-2995) factor out a shared spellchecking module
Date Sun, 22 May 2011 23:21:47 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-2995:
--------------------------------

    Attachment: LUCENE-2995.patch

Updated patch:

* Supports Dawid's new FST autosuggester
* Ported the low-level tests over to the module
* Backwards compatibility with older Solr config files

before applying the patch, please use the following script:
{noformat}
svn move lucene/contrib/spellchecker modules/suggest
svn move solr/src/java/org/apache/solr/util/HighFrequencyDictionary.java modules/suggest/src/java/org/apache/lucene/search/spell
svn move solr/src/java/org/apache/solr/util/TermFreqIterator.java modules/suggest/src/java/org/apache/lucene/search/spell
svn move solr/src/java/org/apache/solr/util/SortedIterator.java modules/suggest/src/java/org/apache/lucene/search/spell
svn move solr/src/java/org/apache/solr/spelling/suggest/Suggester.java solr/src/java/org/apache/solr/spelling
svn move solr/src/java/org/apache/solr/spelling/suggest modules/suggest/src/java/org/apache/lucene/search/spell
svn move modules/suggest/src/java/org/apache/lucene/search/spell/suggest modules/suggest/src/java/org/apache/lucene/search
svn revert solr/src/java/org/apache/solr/spelling/suggest
svn mkdir --parents modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/java/org/apache/solr/spelling/Suggester.java solr/src/java/org/apache/solr/spelling/suggest
svn revert solr/src/java/org/apache/solr/spelling/suggest/fst
svn revert solr/src/java/org/apache/solr/spelling/suggest/jaspell
svn revert solr/src/java/org/apache/solr/spelling/suggest/tst
svn mkdir --parents modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/Average.java modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/LookupBenchmarkTest.java modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/PersistenceTest.java modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/TermFreq.java modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/TermFreqArrayIterator.java modules/suggest/src/test/org/apache/lucene/search/suggest/
svn move solr/src/test/org/apache/solr/spelling/suggest/fst modules/suggest/src/test/org/apache/lucene/search/suggest/fst
svn move solr/src/test-files/Top50KWiki.utf8 modules/suggest/src/test/org/apache/lucene/search/suggest
{noformat}


> factor out a shared spellchecking module
> ----------------------------------------
>
>                 Key: LUCENE-2995
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2995
>             Project: Lucene - Java
>          Issue Type: Task
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2995.patch, LUCENE-2995.patch
>
>
> In lucene's contrib we have spellchecking support (index-based spellchecker, directspellchecker,
etc). 
> we also have some things like pluggable comparators.
> In solr we have auto-suggest support (with two implementations it looks like), some good
utilities like HighFrequencyDictionary, etc.
> I think spellchecking is really important... google has upped the ante to what users
expect.
> So I propose we combine all this stuff into a shared modules/spellchecker, which will
make it easier
> to refactor and improve the quality.

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