PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You will have observed from what I have said, that wheat was about 20s. a quarter less for the first six months of the present year than for the three years, 1839, 1840, and 1841; and while there was this reduction in the price of wheat, there was, at the same time, a reduction in the price of all other kinds of grain by 8s. a quarter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org