メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.17556057093 35.3588689601639, 137.176270217444 35.3597641187715, 137.176364891268 35.3599160131166, 137.17617430618 35.3602944759771, 137.175834019161 35.360210133283, 137.17578619965 35.3600226020313, 137.175700110013 35.359760496539, 137.175656790527 35.3596983160412, 137.175161972022 35.3590682105695, 137.175006490959 35.3588689955366, 137.174815622543 35.3586395016265, 137.174885827203 35.3584572443442, 137.174899408454 35.3580713299778, 137.17556057093 35.3588689601639)) ^^http://www.opengis.net/ont/geosparql#wktLiteral