<http://webisa.webdatacommons.org/192412477>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/192412477>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<alpha-duplication.com> .
<http://webisa.webdatacommons.org/prov/107475928>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/192412477> .
<http://webisa.webdatacommons.org/192412477>	<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." .