PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With a 45-foot screen and a 64-bit Unix-based operating system designed by Silicon Graphics, the Pod enables oil companies such as Shell and Chevron to create astonishingly accurate 3-D seismic models that highlight strata where oil and gas pockets lurk, taking much of the guesswork out of the drilling process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com