About: http://webisa.webdatacommons.org/29161468

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	A full explanation is in that blog post, including the JS code, but here is a summary of how it works.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com