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https://issues.apache.org/jira/browse/MARMOTTA-205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13634615#comment-13634615
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Peter Ansell commented on MARMOTTA-205:
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I added two issues for this as a sub-task of SES-1720 on the Sesame tracker.
The correct syntax according to the RDF/Turtle working group is to make
rdf:langString invisible in the Turtle document and for the parser to create it
for recognised language literals if it is in RDF-1.1 mode. Note that SES-1720
has been put on hold until the RDF working group gets RDF-1.1 to Candidate
Recommendation status.
One workaround on the Marmotta side may be to make Literal.getDatatype return
null if the datatype is rdf:langString, to improve the chances that an RDF-1.0
implementation will skip that step.
I think you already knew, but moving to RDF-1.1 inside of an RDF-1.0 API is a
risky business!
You accidentally put *xsd*:langString above by the way!
> Turtle-Exports do not contain any language tags
> -----------------------------------------------
>
> Key: MARMOTTA-205
> URL: https://issues.apache.org/jira/browse/MARMOTTA-205
> Project: Marmotta
> Issue Type: Bug
> Components: Triple Store
> Affects Versions: 3.0-incubating
> Reporter: Jakob Frank
> Assignee: Sebastian Schaffert
>
> When serializing rdf data into turtle, all language tags are discarded.
> This is because Sesame appends language tags only to untyped literals, but we
> are using the RDF1.1 notation which adds xsd:langString to Literals with
> lang-tag.
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