PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is important to understand that: a) the United States already has a huge, safe network of existing pipelines for oil, natural gas and gasoline illustrated in the map above, b) pipelines have been used successfully and safely in the U.S. for more than 100 years, and c) pipelines are an integral part of our domestic energy system.
http://www.w3.org/ns/prov#wasQuotedFrom
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