PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Calisthenics (heavy, e.g. pushups) - 20 minutes, Walking (slow) - 2/mph - 15 minutes, Desk Work - 9 hours, Resting - 6 hours and 25 minutes, Sleeping - 8 hours. more...
http://www.w3.org/ns/prov#wasQuotedFrom
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