PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Not much light appears ??? indeed, you???d probably say it???s properly dark at this point ??? but the faintest objects in the sky, such as nebulae and very dim stars, will be visible only after astronomical twilight ends.
http://www.w3.org/ns/prov#wasQuotedFrom
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