PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Essentially, if you start at the rook and follow the row, column or diagonal until there are no more squares on that ray, there shouldn???t be any pieces other than the rook and target.
http://www.w3.org/ns/prov#wasQuotedFrom
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