PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It gives a standard way for the Nation to understand water availability using measurements or estimates of the different components of the water cycle, including precipitation, surface water, and groundwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usbr.gov