PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It starts with particles of dust, smoke, salt, and other materials that are always in the air - thousands in every cubic inch - but these are usually too small to be seen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • whyy.org