PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • London is the latest of many cities to upgrade its flood defences in the wake of devastating storm surges and sea level rises.* The original barrier was raised a total of 62 times between 1983 and 2001.
http://www.w3.org/ns/prov#wasQuotedFrom
  • futuretimeline.net