PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This assumption has left us with many unanswered questions about titanium ore formation and how titanium and other commercially useful elements are cycled within Earth.
http://www.w3.org/ns/prov#wasQuotedFrom
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