About: http://webisa.webdatacommons.org/257616977

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	Yes both use constants, but the name is a much better choice since it is environment-independent.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com