PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Research into alternative fuels constitutes the second potential area for action, Torassa says. ???The possibilities are many and varied, depending on the level of petroleum prices.??? For example, at a price of $60 per barrel, it makes sense to produce ethanol based on a renewable resource such as corn.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upenn.edu