About: http://webisa.webdatacommons.org/287560387

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	They explain that detection methods differ based on the specific questions being addressed, such as the following:
http://www.w3.org/ns/prov#wasQuotedFrom	nanowerk.com