PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is important to emphasize that the diagnostic test he is now widely used for prostate cancer -- the PSA, or prostate specific antigen -- was discovered at Roswell Park, and so we continue to build on the foundation established by Dr. Ming Chu when he discovered PSA in 1976.
http://www.w3.org/ns/prov#wasQuotedFrom
  • go.com