PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The solution, one that has arisen everywhere in the world, is to pick a single commodity to use as a medium of exchange ??? a proxy for all other kinds of goods ??? and thus a unit of account by which to figure and compare prices1111. (until everything is rated using a single commodity, it???s impossible to provide a uniform pricing metric).
http://www.w3.org/ns/prov#wasQuotedFrom
  • rhetoricaldevice.com