PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However so called acoustically ??hard?? materials such as glass and concrete, which are commonly used in interior design, scarcely absorb sound at all.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org