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Bug in R2RML appendix B.2

From: Richard Cyganiak <richard@cyganiak.de>
Date: Sun, 25 Sep 2011 16:14:36 +0100
Message-Id: <922AB15C-A628-41CB-B85C-A4408370D34D@cyganiak.de>
To: public-rdb2rdf-comments@w3.org

From OpenLink's Ivan Mikhailov on IRC:

> In table "B.2 Properties", rr:subject and rr:subjectMap have cardinality strictly 1, but any single of these two is optional.
> 
> ditto rr:object and rr:objectMap and predicates

Received on Sunday, 25 September 2011 15:15:19 GMT

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