PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead of a time machine, the geologists use proxies such as ice cores and sediments containing layers if information, like pages in a book, to go back and forward in time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umass.edu