About: http://webisa.webdatacommons.org/280141880

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	}Here is a good example of putting that callback capability to good use.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com