PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The device, based on technology patented by researchers from UC3M's Infrared Laboratory (Laboratorio del Infrarrojo - LIR), detects and measures, at distances of hundreds of meters, the SO2 and other pollutants (CO, NOx, SF6, hidrocarbons, etc.) that are usually invisible to the human eye.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org