About: http://webisa.webdatacommons.org/200814174

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	The goal is to get for example the URL of a OpenGraph-Image ??? as Facebook or Google+ are doing it ??? from any possible URL/Website.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com