PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, such an electrode can be used to measure field potentials, chemicals, including neurotransmitters and metabolites, pH or protein concentration.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk