About: http://webisa.webdatacommons.org/411289869

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	There are several answers to this - an example of the sort of images you are talking about would help.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com