About: http://webisa.webdatacommons.org/60872235

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, mass memory device 1508 is a storage medium such as a hard disk or a tape which generally slower than primary storage devices 1504, 1506.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com