About: http://webisa.webdatacommons.org/159578917

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 contrast areas 110, 112, 114 are comprised of a material, such as described above, providing different (preferably higher) reflectivity to the transmitted radiation 34 than the rest of the ball 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com