PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coordinates may be specified without units, in which case they are considered to be user coordinates, or with units such as em, in, etc. as described in Chapter 2, in Section 2.1.
http://www.w3.org/ns/prov#wasQuotedFrom
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