About: http://webisa.webdatacommons.org/162895106

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	A magnetic recording medium such as an audio and a video tape, a floppy diskette, and a hard disk is generally constructed by forming a magnetic film on a substrate support made of an organic resin or a metal and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com