PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This material is a nickel or nickel chromium alloy material which has a high porosity, generally over about 90%, and a high specific surface area, as well as a high permeability without undue clogging.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com