About: http://webisa.webdatacommons.org/140273853

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	In order to calculate the evolution of a system, externally controlled variables such as pressure or volume, temperature, and so on must be specified.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu