PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As she was (still is) a math teacher, she used to tell me mathematics stories and rhymes such as poems to memorize Pi???s decimals or the Hilbert???s paradox of the Grand Hotel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wired.com