PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Why, then, have scientists long suspected that caffeine might contribute to heart disease, cancer, birth defects, and other problems?
http://www.w3.org/ns/prov#wasQuotedFrom
  • jfkmc.com