PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Acid rain that seeps into the ground can dissolve nutrients such as magnesium and calcium and can cause aluminium to be released into the soil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fao.org