PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You will find why napping for a twenty minutes in the afternoon may not be such a bad idea as you explore states of consciousness, circadian rhythms, sleep stages, and sleep disorders.
http://www.w3.org/ns/prov#wasQuotedFrom
  • schoology.com