About: http://webisa.webdatacommons.org/433391034

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	Personally, I think PHP would be in the wrong here (dunno if the manual follows any sort of convention, I know the standard library doesn't).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com