PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For the purpose of improving properties, it is also possible to add additives such as a viscosity modifier, a surface active agent, a surface tension modifier, a pH adjuster, a resistivity modifier and a storage stabilizer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com