PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Stretching (yoga) - 15 minutes, Housework - 20 minutes, Hiking - 34 minutes, Calisthenics (heavy, e.g. pushups) - 21 minutes, Resting - 14 hours and 30 minutes, Sleeping - 8 hours. more...
http://www.w3.org/ns/prov#wasQuotedFrom
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