About: http://webisa.webdatacommons.org/192412477

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	Compact Disc, or CD, is an optical storage medium composed of 1.2mm of polycarbonate plastic, and a very thin layer of aluminum, covered in a protective lacquer.
http://www.w3.org/ns/prov#wasQuotedFrom	alpha-duplication.com