PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The specific gravity is a value derived from the ratio of the weight of a given volume of a test sample, such as urine, to the weight of the same volume of water under standardized conditions (Eq. 1). ##EQU1## Water has a specific gravity of 1.000.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com