About: http://webisa.webdatacommons.org/70819081

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	By the 1960s, these concepts were being implemented in mainframe computers by such entities as DuPont, IBM, and the U.S. military.
http://www.w3.org/ns/prov#wasQuotedFrom	packtpub.com