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From "Rishabh Maurya (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-2399) Custom scorer for modifying score per documents
Date Thu, 19 Mar 2015 13:45:38 GMT

     [ https://issues.apache.org/jira/browse/OAK-2399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rishabh Maurya updated OAK-2399:
--------------------------------
    Attachment: OAK-2399_1.patch

[~tmueller] updated patch with latest trunk version, commit can be found [here|https://github.com/rishabhmaurya/jackrabbit-oak/commit/1986a5ee5f7d35ae2eb85e9e0efea0ac7b3d3b7d].
{{_exportcontents}} was used to export lucene packages, which is to be used by custom ScorerProvider.

following points needs to be considered - 
1. Exact field names must be known to user implementing customScorer.
2. If query contains orderby clause, then scorer is hardly of any use, so its better to skip
modifying score using custom scorer.

I'll be adding few other points too, which I noted somewhere at time of implementing. 

> Custom scorer for modifying score per documents
> -----------------------------------------------
>
>                 Key: OAK-2399
>                 URL: https://issues.apache.org/jira/browse/OAK-2399
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: oak-lucene
>            Reporter: Rishabh Maurya
>            Assignee: Thomas Mueller
>             Fix For: 1.1.8, 1.2
>
>         Attachments: OAK-2399_1.patch, OAK-2399_scorer.patch
>
>
> We have search enhancements requests based on search results relevance like -
> 1. boosting score of recently modified documents.
> 2. boosting documents which are created/last updated by current session user.(OR boosting
on basis specific field value).
> 3. boosting documents with a field value in certain range.



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