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https://issues.apache.org/jira/browse/JENA-2191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17437834#comment-17437834
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Andy Seaborne commented on JENA-2191:
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Hi [[email protected]] – in what way are they different?
Just to be clear:
In RDF, if you read the same file in twice, regardless of where the triples are
stored, the internal id of a blank node is different and you get new blank
nodes each time. This isn't a Jena choice - it is a feature of RDF.
Example: N-Triples happens to print a string related to the internal id:
{noformat}
$ echo "_:a <x:p> \"abc\" ."| riot
_:Bfd9e02de3d958c874c23b695f3084340 <x:p> "abc" .
$ echo "_:a <x:p> \"abc\" ."| riot
_:B7fbb7c936b9d25c3c300a2bf21ab7493 <x:p> "abc" .
{noformat}
> Difference in UUID assigned to Blank Nodes in TDB1 vs TDB1
> ----------------------------------------------------------
>
> Key: JENA-2191
> URL: https://issues.apache.org/jira/browse/JENA-2191
> Project: Apache Jena
> Issue Type: Question
> Components: TDB
> Affects Versions: Jena 4.0.0
> Reporter: Hemant Tiwari
> Priority: Major
> Labels: TDB
>
> Hi,
> We have noticed a difference in UUID allocation to blank nodes in TDB1 vs
> TDB2.
> Is it by design? if yes, is it possible to make the UUID allocation of TDB1
> same as TDB2 ?
> Note : The implementation also uses RDF* triples.
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