PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you consider the periodic table as a whole and take away those elements which are used by the body (mostly the lower-numbered elements since these are more common) and those which are chemically nonreactive (the noble gases), the remaining ones are mostly pretty dangerous, and mostly metals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • straightdope.com