About: http://webisa.webdatacommons.org/353618004

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	Alone on an island, when Crusoe decides to make a net so he can catch more fish, the ???price??? he pays includes giving up other uses of his time, including leisure, and other uses of the materials.
http://www.w3.org/ns/prov#wasQuotedFrom	fff.org