PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most often insomnia is a comorbid disorder occurring with another problem such as depression or chronic pain, or caused by a medication or substance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicalxpress.com