About: http://webisa.webdatacommons.org/314259367

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	Just because you name the parameters of the constructor the same as your members it does not mean they will be copied by some sort of magic, you will have to do this by hand.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com