PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metals, particularly caesium, have the property that, in a suitable electric field, they emit electrons when irradiated with light.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rit.edu