PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The reason there is a problem is because the results are not entirely clear (i.e., the problem has not been solved).
http://www.w3.org/ns/prov#wasQuotedFrom
  • pubmedcentralcanada.ca