About: http://webisa.webdatacommons.org/107522997

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	However, the trick to seeing color is not just having cones, but having several different types of cones, each tuned to different wavelengths of light.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com