About: http://webisa.webdatacommons.org/145469074

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	We learn that Demokritos reckoned with four root-colors (?????????), and offered a long disquisition on the qualities of black and white, especially in the matter of rough and smooth, which were determined by atomic composition.
http://www.w3.org/ns/prov#wasQuotedFrom	umass.edu