PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Twenty to 30 minutes of exercise that increases the heart rate, including a brisk walk, swimming and cycling, done three times a week can help people to lose weight and prevent heart problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bbc.co.uk