PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists, then, are challenged with the task of training the immune system to eliminate cancer, which has been especially challenging in central nervous system cancers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medcitynews.com