PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Peru and other South American countries, for example, the prevalence rate of Helicobacter pylori infection approaches 90%. [0006] There is no vaccine available for Helicobacter pylori and none is anticipated in the foreseeable future, despite years of intensive effort.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com