PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From an economic perspective, this is because markets fail to deal with public goods such as ecosystem services, which are non-excludable and non-rivalrous: freely and simultaneously accessible to all.
http://www.w3.org/ns/prov#wasQuotedFrom
  • birdlife.org