About: http://webisa.webdatacommons.org/423317857

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 cost curves of the three systems, i.e. system A, system B, and system C, are shown respectively in FIGS. 1A, 1B and 1C, in which the incremental costs in mills are plotted as
http://www.w3.org/ns/prov#wasQuotedFrom	google.com