PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Python (and I think Ruby) is strongly typed in that if something is a number, you can not implicitly convert it to a string by using it in a string context (as opposed to, say, PHP where you could have 123 + 4, at least a few versions back).
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com