About: http://webisa.webdatacommons.org/41603324

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	And, if I could just say one other thing, one of the complicating factors, believe me, there are lots of hard questions.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org