About: http://webisa.webdatacommons.org/259861249

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	Above is a screen shot of it (its the only thing I have now) which hints at the feature set it provided then.
http://www.w3.org/ns/prov#wasQuotedFrom	ynzi.com