About: http://webisa.webdatacommons.org/430247328

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	Like the GLBSE exmaple (see below)? most of the stuff out there are half baked, programmer-oriented with users being the last concern, if at all.
http://www.w3.org/ns/prov#wasQuotedFrom	observer.com