PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He says that mathematicians had been searching for a formula like this to find prime numbers for nearly 2,000 years at that point.Paul HoffmanEuclid, way, way back, 2,300 years ago, had proved that there is an infinite number of prime numbers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thisamericanlife.org