PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In just one 16th month period during 2013-2014, ???there were 372 oil and gas pipeline leaks, spills, and other incidents, leading to 20 deaths, 117 injuries, and more than $256 million in damages,??? nearly one leak per day!
http://www.w3.org/ns/prov#wasQuotedFrom
  • darkskyinitiative.org