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From "Glenn Justo Galvizo (Jira)" <j...@apache.org>
Subject [jira] [Closed] (ASTERIXDB-2898) Add support for jaccard similarity acceleration w/ multi-valued indexes.
Date Thu, 24 Jun 2021 18:20:00 GMT

     [ https://issues.apache.org/jira/browse/ASTERIXDB-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Glenn Justo Galvizo closed ASTERIXDB-2898.
------------------------------------------
    Resolution: Fixed

> Add support for jaccard similarity acceleration w/ multi-valued indexes.
> ------------------------------------------------------------------------
>
>                 Key: ASTERIXDB-2898
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2898
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: IDX - Indexes
>            Reporter: Glenn Justo Galvizo
>            Priority: Major
>
> Scenario:
> User 1's favorite bands (array of band ids) list is B - find Users with some specified
Jaccard similarity to User 1 (i.e., with a specified fraction of overlap). 
> Could maybe introduce a rule to rewrite this plan into a self-join which will then become
optimized by the introduce-join-access-method rule.
>  
>  



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