PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The observatories will use high-powered computers and the latest scientific instruments to monitor and experiment on plant and animal life, air, water and soil, vital chemicals such as carbon and nitrogen, and human pressures on the environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • staugustine.com