About: http://webisa.webdatacommons.org/16956878

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	In general, an optical storage medium reproducing system requires an optical pickup device to provide a physical interface when recording or reproducing data on or from an optical storage medium such as an optical disc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com