PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So, basically, products have a lot of uncertainty in terms of whether anyone will want to buy them, and can have a fair bit of upfront expense before you find out whether your effort so far was a waste of time and money (even with lean methodologies, there will be some waste and dead-ends).
http://www.w3.org/ns/prov#wasQuotedFrom
  • swombat.com