PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Work on the tunnel started on Sept. 21, 2009, and Cerulli said the project is a few weeks ahead of schedule. -- Derek Kravitz 2010
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com