PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Signs and symptoms are often mild and nonspecific, such as a feeling of weakness and fatigue, depression, or aches and pains.
http://www.w3.org/ns/prov#wasQuotedFrom
  • diseaseinfosearch.org