About: http://webisa.webdatacommons.org/151970184

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 call to their tech support offered no help except to say that it was mentioned in the manual.
http://www.w3.org/ns/prov#wasQuotedFrom	davespicks.com