PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That was amply borne out (albeit in reverse) by the recent discovery that a crucial step (first reported in 1918) in the alleged total synthesis of quinine by Robert Woodward and William Doering in 1944 depended on a catalyst being aged.2 The very fact that it took 90 years to test that step is itself a comment on how replication really functions in science.
http://www.w3.org/ns/prov#wasQuotedFrom
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