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https://issues.apache.org/jira/browse/LUCENE-4845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13605769#comment-13605769
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Michael McCandless commented on LUCENE-4845:
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bq. Wouldnt the straightforward impl be to put the suffixes of the suggestions
into the FST?
I think so ... but then I worry about the FST blowing up. I guess if we limit
how "deep" the infixing can work that would limit the FST size ... but I'd
rather not have that limit.
We should definitely try it ... it should be a lot faster. I wonder how we
could get highlighting working with AnalyzingSuggester.
> 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
>
>
> 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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