メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.029972447432 37.7596393724783, 139.030734214618 37.7595652665534, 139.030781092454 37.7598912572669, 139.030802013413 37.7600522222262, 139.030787430909 37.7600711537398, 139.030474942416 37.7601038149963, 139.030495736934 37.7602659068535, 139.03052394126 37.7603851663633, 139.030527972298 37.7604096454259, 139.03056480278 37.7606072845658, 139.030360620583 37.7606279134621, 139.02904846862 37.7607608051096, 139.028931101031 37.7600724666301, 139.028876306614 37.7597360922453, 139.028706786765 37.758726715314, 139.029820382845 37.7586178094043, 139.029972447432 37.7596393724783)) ^^http://www.opengis.net/ont/geosparql#wktLiteral