PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It???s very rich in materials such as silicon, potassium, calcium, sodium, fluorine, chlorine and bromine, which are beneficial a lot to human bodies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chinatravel.com