About: http://webisa.webdatacommons.org/308570761

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 fluid dynamics, head is a concept that relates the energy in an incompressible fluid to the height of an equivalent static column of that fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org