PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But the graphic in the San Jose Mercury News (unfortunately not online) shows a lovely diagram which provides such specifics as 13.7 billion years ago - the big bang (not 13, or 14, or around 13, but 13.7), and then we learn that at least 81.3 billion years from now the Milky Way is going to spin apart, followed three months later (but how will we know what a month is without the sun and
http://www.w3.org/ns/prov#wasQuotedFrom
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