About: http://webisa.webdatacommons.org/259226368

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	Per your request, here is an example of a naive way to do it with vanilla JavaScript.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com