PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CO2 is an option but if you check out the low tech forum you will find loads of people do not bother with it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • plantedtank.net