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Date: Fri, 22 Feb 2013 18:12:12 +0000 (UTC)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12630554.1359852349886.324469.1361556732974@arcas>
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Subject: [jira] [Commented] (LUCENE-4748) Add DrillSideways helper class to
 Lucene facets module
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    [ https://issues.apache.org/jira/browse/LUCENE-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584498#comment-13584498 ] 

Michael McCandless commented on LUCENE-4748:
--------------------------------------------

Ahh OK I see.  This is like LinkedIn's faceted UI, where you can enter a custom name under each dimension, if you don't see the value in the top N already displayed.  EG http://www.linkedin.com/search/fpsearch?type=people&keywords=lisa&pplSearchOrigin=GLHD&pageKey=fps_results

I think you cannot do this with just FacetSearchParams today ... I'll update the patch to make this possible.  Maybe we need a factory to create FacetArrays ... or maybe we go back to non-static class and you subclass & override a method to create each FacetArray ...
                
> Add DrillSideways helper class to Lucene facets module
> ------------------------------------------------------
>
>                 Key: LUCENE-4748
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4748
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/facet
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.2, 5.0
>
>         Attachments: DrillSideways-alternative.tar.gz, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch, LUCENE-4748.patch
>
>
> This came out of a discussion on the java-user list with subject
> "Faceted search in OR": http://markmail.org/thread/jmnq6z2x7ayzci5k
> The basic idea is to count "near misses" during collection, ie
> documents that matched the main query and also all except one of the
> drill down filters.
> Drill sideways makes for a very nice faceted search UI because you
> don't "lose" the facet counts after drilling in.  Eg maybe you do a
> search for "cameras", and you see facets for the manufacturer, so you
> drill into "Nikon".
> With drill sideways, even after drilling down, you'll still get the
> counts for all the other brands, where each count tells you how many
> hits you'd get if you changed to a different manufacturer.
> This becomes more fun if you add further drill-downs, eg maybe I next drill
> down into Resolution=10 megapixels", and then I can see how many 10
> megapixel cameras all other manufacturers, and what other resolutions
> Nikon cameras offer.

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