PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Britain, a sudoku book is a bestseller and national newspapers are competing feverishly to publish the most, and the most fiendish, puzzles. (Last week the Guardian printed a board on every page of one day's features section.) Meanwhile, the puzzle is being published in newspapers from Australia to Croatia to America.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com