About: http://webisa.webdatacommons.org/247228906

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	Typically, the mass memory device (580) is a storage medium such as a hard disk or a tape which generally slower than the primary storage devices (540, 550).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com