メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.756411586261 35.6532836502072, 139.756547973553 35.6538330120925, 139.756594412419 35.6540222229804, 139.75660749193 35.6540755403772, 139.756697983147 35.6544465332272, 139.756728567328 35.6545967594495, 139.756844596993 35.6550411456345, 139.756984115843 35.6556265998565, 139.757059012342 35.6559255437553, 139.757152501563 35.6562499568423, 139.75725155964 35.6564950803994, 139.757289059687 35.6565933402802, 139.756894602787 35.6566398856806, 139.756222913309 35.6567073071, 139.756143476262 35.656713946268, 139.755324644036 35.6567975697351, 139.754818582235 35.6568438954648, 139.754651120312 35.6555605255119, 139.754531990049 35.6546846005554, 139.754358888029 35.6534872784401, 139.754305256556 35.6531139125672, 139.7546103751 35.6530799943997, 139.755145316586 35.6530285136882, 139.756329097019 35.6529145986707, 139.756337983313 35.652916434129, 139.756411586261 35.6532836502072)) ^^http://www.opengis.net/ont/geosparql#wktLiteral