PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Improperly constructed, or poorly maintained wells can create a pathway for fertilizers, bacteria, pesticides, or other materials to enter the water supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usu.edu