メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.724160361886 35.3375500006253, 136.724523369671 35.3381438888468, 136.724730347428 35.3384782509674, 136.72384104799 35.3389243784685, 136.723318911671 35.3386659735277, 136.723218916257 35.3385721519752, 136.723131705185 35.3384583066341, 136.722954327193 35.3379917916605, 136.722895122314 35.337848329314, 136.722725906285 35.3374302966096, 136.722461194448 35.3371822007655, 136.722154847142 35.3369816997594, 136.72293433479 35.336237915344, 136.723625590781 35.3366914575289, 136.723884725023 35.3370650980312, 136.724160361886 35.3375500006253)) ^^http://www.opengis.net/ont/geosparql#wktLiteral