メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.182507671817 36.2399621141877, 139.18269635166 36.2403527840542, 139.182910515186 36.2408573143023, 139.182840836909 36.2408749420193, 139.182319527134 36.2410207401444, 139.181745055847 36.2412045509703, 139.181574955809 36.2412576630561, 139.180018198011 36.2417970357657, 139.179390610952 36.2420120542826, 139.179122828015 36.2421051695991, 139.178797572681 36.2414164679464, 139.17871816662 36.2407640257088, 139.17871075929 36.2406513735025, 139.17869467157 36.2405791983091, 139.179808341347 36.2400948918361, 139.180571997461 36.2397463169171, 139.181151257106 36.2394871076701, 139.182363157468 36.2389286574237, 139.182507671817 36.2399621141877)) ^^http://www.opengis.net/ont/geosparql#wktLiteral