PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Riemann Geography IIPosted on Sunday, February 24, 2008 - 02:14 pm: In mathematics, the Riemann sphere is a way of extending the plane of complex numbers with one additional point at infinity, in a way that makes expressions such as 1 / 0 = ∞ well-behaved and useful, at least in certain contexts.
http://www.w3.org/ns/prov#wasQuotedFrom
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