PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • MarkWest Energy, Williams Partners and M3 Midstream are pumping billions of dollars into eastern Ohio and northern West Virginia to separate and transport the methane, ethane, propane, butane, pentane, oil and other valuable materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • timesleaderonline.com