PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Robots Probe Underground Pipes Municipalities and industries such as oil and gas are gathering new data on old pipelinesFor years, engineers and owners of pressurized pipelines have been seeking better ways to monitor the condition of buried pipes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cadalyst.com