About: http://webisa.webdatacommons.org/248580441

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	it is very easy to design it to never be referenced by a FK, because by design certain kinds of information are self-contained and final.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com