PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But a study in Nature today shows that heat-trapping gases such as carbon dioxide can help avert an even worse problem in thousands of years??? time ??? a shift to a freeze worse than an Ice Age that could blanket much of the northern hemisphere with ice (see picture on the left and story here).
http://www.w3.org/ns/prov#wasQuotedFrom
  • reuters.com