PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although, in later years, railways have been extended through purely agricultural countries, such as Russia or some of the States of North America, yet we may observe, in many places, and especially in England, that the rapid extension of railways is mainly due to the traffic and wealth occasioned by the use of coal in manufactures.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org