PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you are running a business whose cost is mostly fixed rather than variable, the question you should ask yourself when you want to know whether to continue producing is whether you can sell your output for more than variable cost.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upenn.edu