PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, quantities which can be determined from standardized reflectance measurements include, but are not limited to, pH (e.g., muscle pH), oxygen pressure PO2 (e.g., muscle PO2), oxygen saturation and/or content of blood or tissue (SO2), hemoglobin concentration, blood hematocrit, concentrations of lactate and glucose, and concentrations of ions such as sodium, potassium, and calcium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com