About: http://webisa.webdatacommons.org/307028969

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	The background pixels are marked as ???Black??? and the non-background pixels (objects such as text) are marked as ???White??? in the binary image (B).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com