PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, the microbes in the soil and plants serve as ???biofilters,??? trapping such pollutants as heavy metals and chemicals, and converting them to less harmful substances or absorbing them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cklandscape.com