PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Also, ??i ??? (in the following description of this specification, ????????? affixed at an upper right corner of a preceding character is a symbol substituted for an arrow indicative of a vector or a bold font indicative of a matrix) is a vector representing a change of the displacement/gradient caused by the alignment error of an i-th piece of equipment.
http://www.w3.org/ns/prov#wasQuotedFrom
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