PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Dense, solid materials such as steel and concrete resist the flow of heat, but they do a poor job of it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthyhouseinstitute.com