PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Keith's 14 Sep update: I filed a FOIA response with JSC. Here is their response - all they provided is some sort of blog post or document - with no overt attribution in terms of authorship.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasawatch.com