PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Various people have suggested that the central part of the galaxy would be a dangerous place, but it is hard to quantify this well (partly because it is hard to be certain what would and would not be dangerous for life; there are people who argue that mass extinctions are bad for evolving intelligent life, and other people who argue that they might promote more rapid evolution and diversification --
http://www.w3.org/ns/prov#wasQuotedFrom
  • nielsenhayden.com