PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I am not even going to try to explain the @specialized annotation or variances (the + before the generic R type), but the basic idea in this trait is that a Future is a function which, when executed, returns the value (and must therefor block if it has not been computed yet).
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com