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From "Tommaso Teofili (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-7824) Improve search by similar feature vectors with brute force nearest neighbour
Date Fri, 12 Oct 2018 11:49:00 GMT

    [ https://issues.apache.org/jira/browse/OAK-7824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16647808#comment-16647808
] 

Tommaso Teofili commented on OAK-7824:
--------------------------------------

third patch with unit tests, brute force NN made configurable.

> Improve search by similar feature vectors with brute force nearest neighbour
> ----------------------------------------------------------------------------
>
>                 Key: OAK-7824
>                 URL: https://issues.apache.org/jira/browse/OAK-7824
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: lucene
>            Reporter: Tommaso Teofili
>            Assignee: Tommaso Teofili
>            Priority: Major
>         Attachments: OAK-7824.0.patch, OAK-7824.1.patch, OAK-7824.2.patch
>
>
> In those cases where there's suboptimal ranking in the search results of a search by
feature vectors, we could use feature vector distance to perform reranking on the search results
set.



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