PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Between 2002 to 2010, internal corrosion caused over 16 times as many pipeline spills per 10,000 miles in Alberta, Canada, where pipelines transport mostly dilbit, than in the US, where pipelines transport mostly conventional crude oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • texasvox.org