Jakob Frank created MARMOTTA-43:
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Summary: RDF1.1 Language Tags
Key: MARMOTTA-43
URL: https://issues.apache.org/jira/browse/MARMOTTA-43
Project: Marmotta
Issue Type: Bug
Components: Libraries
Affects Versions: 2.6
Reporter: Jakob Frank
Assignee: Sebastian Schaffert
Priority: Minor
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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