PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are two main types: squamous cell carcinoma, which starts in the flat cells that line the esophagus and is linked with smoking and alcohol; and adenocarcinoma of the esophagus, which starts in cells that create and release mucus and other bodily fluid, according to the Mayo Clinic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • huffingtonpost.com