PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Rather, leap seconds are a consequence of the fact that human timekeeping systems are arbitrary human constructs which do not match up exactly against the Earth's rotation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • evolutionwiki.org