_:vb138832	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/http/taichung-autologous2.drguo.com.tw/> .
_:vb138832	<http://purl.org/net/provenance/ns#performedAt>	"2019-12-19T06:16:15.047094"^^<http://www.w3.org/2001/XMLSchema#dateTime> .