About: http://webisa.webdatacommons.org/99009281

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	The present invention is an in-line system for fabricating a double layered compact disc by bonding together two surfaces, at least one of which is information bearing, separately referred to as half discs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com