PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • coffer dam: A temporary dam used to control a river or reservoir while constructing or removing the primary dam. lifespan: The length of time something, such as a dam, is expected to last. maintenance: Any work needed to keep an object or machine functional. spillway: Part of a dam that can release surplus flow without causing damage to the dam.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachengineering.org