About: http://webisa.webdatacommons.org/392772172

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	Alternatively, the base element itself may contain fillers, such as silica, to provide a roughened surface on the back surface of the base element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au