About: http://webisa.webdatacommons.org/257303045

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	Developments have mostly been trial and error - of course guided by different kinds of knowledge.
http://www.w3.org/ns/prov#wasQuotedFrom	caltech.edu