PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To measure the sound absorption of sound proofing and acoustic materials, it is important to determine the frequency range of interest, for example from 100 Hz to 5000 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com