About: http://webisa.webdatacommons.org/181502799

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	Or does the ???referenced as a single unit from the main flow of the document??? mean that the figure is a unit contained in the document, the document being a web page?
http://www.w3.org/ns/prov#wasQuotedFrom	html5doctor.com