PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Though source of infection of C. violaceum in Ekpoma was not very clear, soil and water contamination and other risk factors were hypothesized.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cogprints.org