PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Organic agriculture is more environmentally sound, since harmful synthetic compounds from chemical farming contaminate groundwater, soil, and air, affecting all forms of life, from insects to humans.
http://www.w3.org/ns/prov#wasQuotedFrom
  • onlineathens.com