PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Boron is a trace element that is needed for healthy bones (known as the calcium helper) and for the metabolism of calcium, magnesium and phosphorus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • factbites.com