About: http://webisa.webdatacommons.org/396362638

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	I do not see why the need to refresh the content or whatever line you quoted in your column is an issue ??? I liked the fact that it was the usual PBS content that was made available at different times.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org