About: http://webisa.webdatacommons.org/270688656

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	You can create new types at runtime - example given was an XML to Python loader, which created Python objects from any given XML document.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com