PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BP Exploration (Alaska) Inc. estimated the size of the spill at 2,100 to 4,200 gallons of fluid, mainly methanol and other fluids along with an undetermined amount of crude oil. | 07/18/11 06:38:40 By - Lisa Demer Last U.S. Federal Helium Reserve is running out
http://www.w3.org/ns/prov#wasQuotedFrom
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