PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Efforts to use the earth???s heat to generate power, known as geothermal energy, have been further hampered by technical problems and worries that tapping it can cause earthquakes.Even so, the federal government, Google and other investors are interested enough to bet $43 million on the Oregon project.
http://www.w3.org/ns/prov#wasQuotedFrom
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