メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.263717668591 38.4341010917618, 141.263594801113 38.4341084416507, 141.263386749447 38.4341163867976, 141.263110372506 38.4340640502393, 141.262929073364 38.4340113636958, 141.262505735834 38.4340090806024, 141.262137316337 38.4340070918715, 141.261338958017 38.4336576647517, 141.261243909129 38.4336402749989, 141.259988482755 38.4336502137974, 141.258922142886 38.4335241684986, 141.258850923401 38.4337237608209, 141.258745886062 38.4337193574534, 141.258745436125 38.4337063287972, 141.258740657793 38.4335683275993, 141.258589987915 38.4320633214144, 141.258478596883 38.4307932595943, 141.258477687547 38.4307831273244, 141.260188325794 38.4307314210083, 141.262682871705 38.4306421795886, 141.264111548469 38.4305908882455, 141.263945565186 38.4324197111959, 141.263717668591 38.4341010917618)) ^^http://www.opengis.net/ont/geosparql#wktLiteral