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_:vb50790693	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://purl.org/net/provenance/ns#DataAccess> .
_:vb50790693	<http://purl.org/net/provenance/ns#performedBy>	<https://kingsley.idehen.net/public_home/kidehen/Public/R2RML%20Demos/nfl-pbp-r2rml-mapping.ttl#spongerInstance> .
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_:vb50790693	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/http/demo.openlinksw.com/nfl-pbp> .