PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the present example the attenuator is an aperture or channel (602) that can be of any appropriate diameter, but the channel could also be a fiber optic of any length or diameter, or other attenuating device, for example a filter or other device known to one of skill in the art that controls the amount of incident EMR reaching the sample slot (608).
http://www.w3.org/ns/prov#wasQuotedFrom
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