PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Here are several forecasts, starting at different times but all valid at the same time.First a forecast of sea level pressure and temperature (shading,yellow is warm and blue is cold) for Wednesday at 4 PM for a forecasting starting Wednesday at 4 PM. Nice and cold, with the low well to the south.Here is the latest forecast valid at the same time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com