About: http://webisa.webdatacommons.org/354145286

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	Software packages are commercially available which can perform a number of operations on a network model, including calculation of such properties as pressure gradients and flow directions and rates etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca