メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.325462403142 34.7277571088482, 135.326940060243 34.7278315396179, 135.327943900347 34.7278808088316, 135.327913095817 34.7284064425951, 135.327883342925 34.7286424739165, 135.327858709469 34.7289073371055, 135.326846832234 34.7288647538929, 135.326213426256 34.7288344279831, 135.325372102435 34.7287942442261, 135.323775092062 34.7287058370708, 135.323870431669 34.7285104018098, 135.323995932465 34.7281907708361, 135.324051265552 34.7280169289973, 135.324155029202 34.7276912746968, 135.325462403142 34.7277571088482)) ^^http://www.opengis.net/ont/geosparql#wktLiteral