PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The permeability of the core is then calculated using Darcy's equation: ##EQU1## where ?? is the viscosity measured in centipoises and K is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com