PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The story starts with manhole covers and progresses through street markings, which follow a federal color-coding standard: ???Orange refers to the broad catch-all of ???Communications, alarm, signal lines, cables and conduit.??? This means that orange lines can be internet cables, television cables, telephone lines, or other kinds of conduits.???
http://www.w3.org/ns/prov#wasQuotedFrom
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