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https://issues.apache.org/jira/browse/SOLR-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602696#action_12602696
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Otis Gospodnetic commented on SOLR-572:
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Grant, I think it's better to think of people using Solr+SCRH as a (generic)
spellchecker service, not necessarily something that absolutely has to tie to a
specific index and thus make only suggestions that result in hits.
Another use case is where Solr is used with indices that are not indices for a
narrow domain or that don't have nice, clean, short fields that can be used for
populating the SC index. For example, if the index consists of a pile of web
pages, I don't think I'd want to use their data (not even their titles) to
populate the SC index. I'd really want just a plain dictionary-powered SCRH.
> Spell Checker as a Search Component
> -----------------------------------
>
> Key: SOLR-572
> URL: https://issues.apache.org/jira/browse/SOLR-572
> Project: Solr
> Issue Type: New Feature
> Components: spellchecker
> Affects Versions: 1.3
> Reporter: Shalin Shekhar Mangar
> Assignee: Grant Ingersoll
> Priority: Minor
> Fix For: 1.3
>
> Attachments: SOLR-572.patch, SOLR-572.patch, SOLR-572.patch,
> SOLR-572.patch, SOLR-572.patch, SOLR-572.patch, SOLR-572.patch,
> SOLR-572.patch, SOLR-572.patch, SOLR-572.patch, SOLR-572.patch,
> SOLR-572.patch, SOLR-572.patch, SOLR-572.patch, SOLR-572.patch
>
>
> Expose the Lucene contrib SpellChecker as a Search Component. Provide the
> following features:
> * Allow creating a spell index on a given field and make it possible to have
> multiple spell indices -- one for each field
> * Give suggestions on a per-field basis
> * Given a multi-word query, give only one consistent suggestion
> * Process the query with the same analyzer specified for the source field and
> process each token separately
> * Allow the user to specify minimum length for a token (optional)
> Consistency criteria for a multi-word query can consist of the following:
> * Preserve the correct words in the original query as it is
> * Never give duplicate words in a suggestion
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