About: http://webisa.webdatacommons.org/56691937

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	Programmers produce these systems by performing various kinds of modeling and analyses, in their heads if nowhere else.
http://www.w3.org/ns/prov#wasQuotedFrom	lambda-the-ultimate.org