PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The late Carl Sagan said ???Extraordinary claims require extraordinary evidence.??? This skeptical principle can be applied generally to the area of consumer affairs and more specifically to the claims of chiropractic, an ???alternative healing??? approach now practiced widely throughout the United States and other parts of the world.
http://www.w3.org/ns/prov#wasQuotedFrom
  • csicop.org