About: http://webisa.webdatacommons.org/249645873

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	To optimize the viewability and the readability of the foreground information some minimum contrast, which may be user controlled or selected, is maintained between the foreground information, such as text, and the background image.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com