About: http://webisa.webdatacommons.org/450074073

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	important not to re-fetch the context too early, e.g. from a focus changed notification.
http://www.w3.org/ns/prov#wasQuotedFrom	webkit.org