About: http://webisa.webdatacommons.org/158065382

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	An optical medium, such as a CD or DVD, in comprises a polycarbonate substrate is its uppermost.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com