About: http://webisa.webdatacommons.org/211745302

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	Whereas on-machine measurements are limited to such data as can be acquired on a single thickness of paper, optical properties such as brightness and color are determined on multiple thicknesses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es