About: http://webisa.webdatacommons.org/344145424

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	Well if you see that code then, you will find that there is a function which converts an image into bi-tonal image and bi-tonal images have only two bits(white and black).
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com