PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ice is an example of a material that can last forever if the temperature is low enough but that can also melt from one moment to another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acm.org