PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The f-number reducer may be constructed of germanium or other infrared lens material (e.g., IR fused silica, zinc selenide, calcium fluoride, AMTIR-1).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es