PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mitsch says that while wetlands are a natural source of methane ??? a potent greenhouse gas ??? from decomposition, CO2 sequestration appears to balance net carbon emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com