About: http://webisa.webdatacommons.org/9431926

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	And I have not checked the former's sources, but the wording of the answer there does not make it sound as though the sources it cites have anything to do with the phrase, either (though the answer there itself is a source also).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com