About: http://webisa.webdatacommons.org/150131448

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	and return true if the image is a loaded, opaque bitmap image, and the background
http://www.w3.org/ns/prov#wasQuotedFrom	webkit.org