PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, if progressivity is a requirement in the real world, the tax could be coupled with a standard per capita rebate that would, in effect, become a negative tax at lower income levels/consumption levels, and as you go up the income/consumption scale, the tax bite progressively gets to be greater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org