PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Green roofs consist of vegetation and soil which absorb rain water, keeping it from overburdening the sewer system ??? among other benefits such as energy conservation and a reduction in the urban heat island effect.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gothamgazette.com