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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2013/03/10 14:29:12 UTC
[jira] [Resolved] (LUCENE-1190) a lexicon object for merging
spellchecker and synonyms from stemming
[ https://issues.apache.org/jira/browse/LUCENE-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson resolved LUCENE-1190.
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Resolution: Won't Fix
SPRING_CLEANING_2013 We can reopen if necessary.
> a lexicon object for merging spellchecker and synonyms from stemming
> --------------------------------------------------------------------
>
> Key: LUCENE-1190
> URL: https://issues.apache.org/jira/browse/LUCENE-1190
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/search, modules/other
> Affects Versions: 2.3
> Reporter: Mathieu Lecarme
> Assignee: Otis Gospodnetic
> Attachments: aphone+lexicon.patch, aphone+lexicon.patch
>
>
> Some Lucene features need a list of referring word. Spellchecking is the basic example, but synonyms is an other use. Other tools can be used smoothlier with a list of words, without disturbing the main index : stemming and other simplification of word (anagram, phonetic ...).
> For that, I suggest a Lexicon object, wich contains words (Term + frequency), wich can be built from Lucene Directory, or plain text files.
> Classical TokenFilter can be used with Lexicon (LowerCaseFilter and ISOLatin1AccentFilter should be the most useful).
> Lexicon uses a Lucene Directory, each Word is a Document, each meta is a Field (word, ngram, phonetic, fields, anagram, size ...).
> Above a minimum size, number of differents words used in an index can be considered as stable. So, a standard Lexicon (built from wikipedia by example) can be used.
> A similarTokenFilter is provided.
> A spellchecker will come soon.
> A fuzzySearch implementation, a neutral synonym TokenFilter can be done.
> Unused words can be remove on demand (lazy delete?)
> Any criticism or suggestions?
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