About: http://webisa.webdatacommons.org/316604520

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	telephone switching apparatus, radar apparatus, communications satellites, central processing units, computers, and peripheral units such as disk drives, control units,
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov