PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Of course, you can never be 100% sure of any information regardless of the source, but it is common sense that sites such as the BBC and the quality national newspapers are going to be more reliable sources than the blog of someone you have never heard of.
http://www.w3.org/ns/prov#wasQuotedFrom
  • routledge.com