About: http://webisa.webdatacommons.org/423837257

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	Type binding is done at runtime and yes, there is a penalty, but if dynamic is the only option then so what.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com