PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Service Unit Operators, Oil, Gas, and Mining(SOC Code : 47-5013) in California Operate equipment to increase oil flow from producing wells or to remove stuck pipe, casing, tools, or other obstructions from drilling wells.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ca.gov