PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coccoliths can accumulate in such abundance as to form rocks in their own right, and they are the main constituent of chalk, which forms the White Cliffs of Dover.
http://www.w3.org/ns/prov#wasQuotedFrom
  • palaeontologyonline.com