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From Marvin Humphrey <mar...@rectangular.com>
Subject Re: R-Tree in lucene thoughts?
Date Thu, 07 Jan 2010 18:35:21 GMT
On Thu, Jan 07, 2010 at 01:03:27PM -0500, Ryan McKinley wrote:

> Perhaps each segment has its own r-tree.  For each query, the r-tree  would
> only be used to say if something could be in the results, it  does not
> contribute to the score, so I don't think interleaving would  be any
> different then how it currently works (without knowing how it  currently
> works)  Potentially, the node depth could influence the  score, but lets
> ignore that for now :)

Yes, if the results of the r-tree search are only for filtering, it wouldn't
matter.  If they are used to contribute to a score, interleaving is also easy,
because you just compare scores and the higher score wins.

It's only important if you wanted to, say, sort by distance.

Marvin Humphrey


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