PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Over 400 million people are infected with the HPV virus and several common cancers are caused by the infection, including cervical, head and neck and anal cancers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nanotech-now.com