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From Kelly Taylor <wired...@hotmail.com>
Subject Field collapsing works but is tree modeling possible?
Date Wed, 20 Jan 2010 16:04:55 GMT

I'm currently using the latest SOLR-236 patch (12/24/2009) and
field-collapsing seems to be giving me the desired results, but I'm
wondering if I should focus more on a tree view of my catalog data instead,
as described in "Beyond Basic Faceted Search"

Could either of the patches for SOLR-792 or SOLR-64 possibly provide
something like this? Below is a link to the paper, followed by an excerpt
under the "CORRELATED FACETS" section.

http://nadav.harel.org.il/papers/p33-ben-yitzhak.pdf

Excerpt:
"...model each product as a tree, in which the leaves represent specific
instantiations, and where the attributes corresponding to each leaf are the
union of attributes on the unique path from the root of the tree to the
leaf. In other words, each node of the tree shares its attributes (text and
associated metadata) with all its descendants. When we factor out common
attributes of leaf nodes to intermediate nodes, this representation avoids
significant duplication of text and metadata that are common to many
variations of each product."

-Kelly
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