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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4845) Add AnalyzingInfixSuggester
Date Tue, 19 Mar 2013 05:41:16 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-4845:
--------------------------------

    Attachment: LUCENE-4845.patch

ok here's the start of a hack patch. my trivial test passes.

the whole thing is a nocommit (and there is no depth bound for the infixing). 

Its also probably really slow and buggy :)
                
> Add AnalyzingInfixSuggester
> ---------------------------
>
>                 Key: LUCENE-4845
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4845
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/spellchecker
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 5.0, 4.3
>
>         Attachments: infixSuggest.png, LUCENE-4845.patch, LUCENE-4845.patch, LUCENE-4845.patch
>
>
> Our current suggester impls do prefix matching of the incoming text
> against all compiled suggestions, but in some cases it's useful to
> allow infix matching.  E.g, Netflix does infix suggestions in their
> search box.
> I did a straightforward impl, just using a normal Lucene index, and
> using PostingsHighlighter to highlight matching tokens in the
> suggestions.
> I think this likely only works well when your suggestions have a
> strong prior ranking (weight input to build), eg Netflix knows
> the popularity of movies.

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