PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They also looked at breast cancer death rates before the program was in effect (1986-1995) to help determine how much screening (as opposed to improvements in treatment and other factors) contributed to the change.These researchers also found that screening mammography reduced the death rate from breast cancer ??? but by only 10%, far less than expected.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.org