PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are numerous ways this can go wrong, but I found it to be mostly consistent with my expectations most of the time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com