_:vb50578258	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/http/letusbookmark.com/story7921300/everything-about-facebook/> .
_:vb50578258	<http://purl.org/net/provenance/ns#accessedService>	<http://letusbookmark.com/story7921300/everything-about-facebook/> .
_:vb50578258	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://purl.org/net/provenance/ns#DataAccess> .
_:vb50578258	<http://purl.org/net/provenance/ns#performedAt>	"2020-08-18T18:07:24.283598"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:vb50578258	<http://purl.org/net/provenance/ns#performedBy>	<http://letusbookmark.com/story7921300/everything-about-facebook/#spongerInstance> .