_:vb50869540	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/http/www.yulewangzhan.cn/> .
_:vb50869540	<http://purl.org/net/provenance/ns#performedBy>	<http://www.yulewangzhan.cn#spongerInstance> .
_:vb50869540	<http://purl.org/net/provenance/ns#accessedService>	<http://www.yulewangzhan.cn/> .
_:vb50869540	<http://purl.org/net/provenance/ns#performedAt>	"2021-06-05T10:26:11.466924"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:vb50869540	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://purl.org/net/provenance/ns#DataAccess> .