PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The swept frequency operation yields seismic-trace data which enables the different earth responses to be analyzed, thereby providing a basis on which to define the structure, such as the depth and thickness, of the subsurface formations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com