About: http://webisa.webdatacommons.org/373531671

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	Here is the link to one article that I thought particularly applicable to your situation:
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org