PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, all single-wall nanotubes are the stiffest molecules known, and have extremely high thermal conductivity and tensile strength.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com