About: http://webisa.webdatacommons.org/342138152

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	If you want to learn new techniques, I suggest looking how these tools are solving the problem and you will get a lot of clever ideas (the source, Luke, use the source).
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com