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Posted to dev@lucene.apache.org by "jmlucjav (JIRA)" <ji...@apache.org> on 2015/11/12 10:32:11 UTC
[jira] [Commented] (SOLR-7539) Add a QueryAutofilteringComponent
for query introspection using indexed metadata
[ https://issues.apache.org/jira/browse/SOLR-7539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001893#comment-15001893 ]
jmlucjav commented on SOLR-7539:
--------------------------------
This would be a great addition, I have used some custom handler to deal with these situations, wrote about it [here|https://medium.com/@jmlucjav/proper-handling-of-make-query-terms-in-e-commerce-search-39a9ac1bd4bc]
If I might suggest something, I would add some config to allow certain values to be excluded from being used as autofilters, this is useful when for example a brand name is also a common word that can occur naturally in other places etc.
> Add a QueryAutofilteringComponent for query introspection using indexed metadata
> --------------------------------------------------------------------------------
>
> Key: SOLR-7539
> URL: https://issues.apache.org/jira/browse/SOLR-7539
> Project: Solr
> Issue Type: New Feature
> Reporter: Ted Sullivan
> Priority: Minor
> Fix For: Trunk
>
> Attachments: SOLR-7539.patch, SOLR-7539.patch, SOLR-7539.patch
>
>
> The Query Autofiltering Component provides a method of inferring user intent by matching noun phrases that are typically used for faceted-navigation into Solr filter or boost queries (depending on configuration settings) so that more precise user queries can be met with more precise results.
> The algorithm uses a "longest contiguous phrase match" strategy which allows it to disambiguate queries where single terms are ambiguous but phrases are not. It will work when there is structured information in the form of String fields that are normally used for faceted navigation. It works across fields by building a map of search term to index field using the Lucene FieldCache (UninvertingReader). This enables users to create free text, multi-term queries that combine attributes across facet fields - as if they had searched and then navigated through several facet layers. To address the problem of exact-match only semantics of String fields, support for synonyms (including multi-term synonyms) and stemming was added.
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