PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Severe insomnia can result in neurochemical (brain chemical) changes that may cause problems such as depression and anxiety, further complicating the insomnia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • health24.com