PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These are deep expensive wells, and so there are just a lot of variables that control this play including drilling cost, product price, sub-surface completion technology, and I probably left a list out.
http://www.w3.org/ns/prov#wasQuotedFrom
  • seekingalpha.com