PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, a naked String or other variable is initially unset, and it has to appear on the left hand side of an assignment before it can appear on the right hand side. (This initialization requirement is part of Java's reaction to the generally unsafe programming styles common in the '80s and '90s, which were mostly a result of smaller machines and tighter tolerances.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dreamincode.net