About: http://webisa.webdatacommons.org/17502346

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A proposal for operator certification contains options including portable, third-party certification and an in-house alternative for contractors.
http://www.w3.org/ns/prov#wasQuotedFrom	usglassmag.com