PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For resonance to occur, one of the natural frequencies of a structural component must be excited by a cyclic force of the same frequency.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov