PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, one of the key conditions for a wider use of geothermal energy are new, cheaper, technologies that could reduce the costs of available and also emerging drilling methods (like that our ??? PLASMABIT).
http://www.w3.org/ns/prov#wasQuotedFrom
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