PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fugitive emissions in refineries result when hydrocarbon vapors leak from process equipment such as valves, flanges, pumps, compressors and other equipment, and from the evaporation of hydrocarbon spills in open areas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • photonics.com