PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • My prejudice is that the heat was probably the more important, but certainly if volcanic eruptions or an asteroid [produced] short periods of cold followed by longer periods of extreme warmth, that combination is sort of like a one-two punch that would make it very difficult for creatures that weren???t able to [take] large swings in climate to survive.
http://www.w3.org/ns/prov#wasQuotedFrom
  • columbia.edu