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Posted to dev@marmotta.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2014/09/19 12:09:34 UTC

[jira] [Commented] (MARMOTTA-541) KiWi SPARQL: support for MINUS

    [ https://issues.apache.org/jira/browse/MARMOTTA-541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140275#comment-14140275 ] 

ASF subversion and git services commented on MARMOTTA-541:
----------------------------------------------------------

Commit 564282f0ae3068686373a44d91971aecb490096d in marmotta's branch refs/heads/develop from [~wastl]
[ https://git-wip-us.apache.org/repos/asf?p=marmotta.git;h=564282f ]

working implementation of MINUS (by translating to NOT EXISTS), fixes MARMOTTA-541


> KiWi SPARQL: support for MINUS
> ------------------------------
>
>                 Key: MARMOTTA-541
>                 URL: https://issues.apache.org/jira/browse/MARMOTTA-541
>             Project: Marmotta
>          Issue Type: Sub-task
>          Components: KiWi Triple Store
>            Reporter: Sebastian Schaffert
>            Assignee: Sebastian Schaffert
>             Fix For: 3.3.0
>
>
> Support the SPARQL MINUS construct (opposite of UNION). In SQL, the equivalent is EXCEPT, so it could probably be implemented like UNION.



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