PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hula Hoop - 10 minutes, Calisthenics (heavy, e.g. pushups) - 34 minutes, Sleeping - 8 hours, Resting - 15 hours and 6 minutes, Walking (brisk) - 4/mph - 10 minutes. more...
http://www.w3.org/ns/prov#wasQuotedFrom
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