PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PROPOSAL OF IDEAS ETC. SIGMA has the policy not to accept any technical ideas (including, but not limited to, patents and utility models), designs, and other ideas (Ideas")from the public.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sigma-photo.co.jp