メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.014504614342 34.9011953189057, 137.014336809866 34.9015482320816, 137.014213557737 34.9017297814741, 137.013688051502 34.9021329555165, 137.01309467583 34.9025917493038, 137.01290543707 34.9026694749888, 137.01213135891 34.9028488628352, 137.011962304315 34.902902384664, 137.012408591495 34.9009087269297, 137.013147440535 34.9010336802331, 137.013374977201 34.9010624181804, 137.013517496997 34.9010701332255, 137.013611750108 34.9010664480412, 137.013761153964 34.9010780441433, 137.013908206192 34.9011198517162, 137.013981726829 34.9011407901351, 137.014504614342 34.9011953189057)) ^^http://www.opengis.net/ont/geosparql#wktLiteral