PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In case there is a question, why not check it with 234U/230Th, which has a half-life of 245,000 years?
http://www.w3.org/ns/prov#wasQuotedFrom
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