About: http://webisa.webdatacommons.org/276537067

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	Ohhh it is because as a struct it is a value type and the assignment operator = with value types copies values.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com