PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This task is especially complicated by the variations in contaminant types and amounts encountered in various landfill gases as well as the gases obtained from a single landfill over a period of time or at different locations in landfill.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com