About: http://webisa.webdatacommons.org/110772559

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	The 1960s and 70s saw the development and perfection of programming languages including BASIC and C, and of operating systems such as UNIX. Portable discs and the mouse appeared on the sce
http://www.w3.org/ns/prov#wasQuotedFrom	maths.org