PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Elements within the poor metals group may be variously useful, although limitations such as toxicity to humans may reduce candidate materials prepared from the same.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com