PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The astrobiological significance of the discovery???broadening, in effect, the definition of life by including an element not previously considered an essential building block???was lost in the backlash about NASA overselling the finding and, subsequently, debate about the validity of the discovery and the appropriate fora (blog posts and commments versus peer-reviewed scientific papers) for that
http://www.w3.org/ns/prov#wasQuotedFrom
  • thespacereview.com