PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An EKG signal, however, is mostly silence, punctuated by spikes every second or so, when the heart contracts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org