PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Also, the best time to study is just prior to some sleep, either the night's sleep or a nap of at least 15-20 minutes.
http://www.w3.org/ns/prov#wasQuotedFrom
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