PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Freezing, melting, boiling, evaporation, sublimation, and condensation are examples of phase changes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org