PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The project involves collecting samples of hydrothermal fluid and sulfide, a kind of seabed deposit containing copper, zinc and precious metals such as gold and silver.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldofchemicals.com