PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other vendors: When I can find them, I like to use mirrors from Orion, DSO and other commercially available Newtonian telescopes on a Dobsonian base.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dobstuff.com