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From Chris Hostetter <>
Subject Re: Adding another dimension to Lucene searches
Date Sat, 08 May 2010 01:13:06 GMT

: I have been working on a hierarchical search capability for a while now 
: and wanted to see if there was general interest in adopting some of the 
: thinking into Lucene.

This looks cool ... up to slide #5 i thought you were just 
proposing something akin to using FieldMaskingSpanQuery, but 
NestedDocumentQuery is an awesome idea ... slide 9 makes it seem so easy 
(I assume you build up the BitSet by scanning the TermDocs for some 
configurable marker term denoting a "parent" doc?)

I haven't thought it through very well, but i suspect something like this 
would elimante a lot of the hairy usecases for "field collapsing" allowing 
a more streamlined solution for that problem as well.


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