PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It seems like everyone, at some point or another, experiences sleep difficulty, including initiating or maintaining sleep, waking up too early, or becoming the victim of non-restorative or poor-quality sleep.
http://www.w3.org/ns/prov#wasQuotedFrom
  • luckyvitamin.com