PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When a professional, such as a consultant or photographer, charges a day rate, it may be calculated by taking an hourly wage and multiplying it by eight hours, which is often regarded as a standard work day.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com