PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Post-assembly and alignment of such microoptical systems on the micro-scale to achieve a precise focus, collimation, or other optical function is extremely difficult.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca