PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To approach the matter another way, once we acknowledge uncertainty ??? that there is always more to learn, and nothing is permanently exempt from revision ??? then either we have to say there is no such thing as knowledge, or else we must conceive of knowledge as allowing for change and growth.
http://www.w3.org/ns/prov#wasQuotedFrom
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