PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • here is a copy of the post in the UP Diliman FB group that adequately answers your question, especially regarding debt to GDP ratio.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ourknowledge.asia