About: http://webisa.webdatacommons.org/415776463

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	Accordingly, this system requires a specially coated writing surface, such as paper or polyvinyl chloride film, in order to achieve a colored mark on the writing surface with the solid writing material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca