PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In October 2009, I had talked about how the Gulf Coast region, particularly Louisiana and Texas have the most vast and robust hydrogen production and pipeline system in the U. S. The hydrogen produced here is mostly used for the refining of crude oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecofriendlymag.com