PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Common causes of gas include: Occasionally, excess gas and bloating may be caused by a more serious medical problem, such as a bowel obstruction, liver problems, gallbladder disease, or cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everydayhealth.com