About: http://webisa.webdatacommons.org/374007137

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 actually think this is a good approach if you know the property is a retain property.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com