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https://issues.apache.org/jira/browse/MARMOTTA-43?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Frank updated MARMOTTA-43:
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Fix Version/s: (was: 3.3.0)
> RDF1.1 Language Tags
> --------------------
>
> Key: MARMOTTA-43
> URL: https://issues.apache.org/jira/browse/MARMOTTA-43
> Project: Marmotta
> Issue Type: Sub-task
> Components: KiWi Triple Store
> Affects Versions: 3.1-incubating
> Reporter: Jakob Frank
> Assignee: Sebastian Schaffert
> Priority: Minor
> Labels: kiwi, rdf
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> In RDF 1.1, language tags MUST conform to the BCP47 standard.
> We are currently using the format: xx_YY_zzz, but BCP47 requires xx-YY-zzz.
> Furthermore, RDF 1.1 requires lang tags to be all lowercase.
> Also in the DB-model, the lang-tag column is fixed to length 5 - which might
> be not sufficient for some special lang-tags.
> http://www.w3.org/TR/2013/WD-rdf11-concepts-20130115/#section-Graph-Literal
> http://tools.ietf.org/html/bcp47#section-2.2.9
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