PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Maps such as Dead Simple, Circle of Death, The Factory, Downtown Suburbs, The Courtyard, The Catacombs were designed knowing that Doomers were already becoming very good at the game and they wanted something harder.
http://www.w3.org/ns/prov#wasQuotedFrom
  • doomworld.com