PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accurate knowledge about the quantity of carbon stored in soils is important because the greenhouse gas CO2 is often emitted when land use is changed, either through human activities such as agriculture or natural forces such as flooding.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org