メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> MULTIPOLYGON(((137.160535336572 35.0964522152864, 137.159019746015 35.0964684621226, 137.158855370178 35.0961381411586, 137.160322759521 35.0960560510455, 137.160535336572 35.0964522152864)), ((137.161323912464 35.097846284321, 137.161448178707 35.0980712330696, 137.160633269556 35.0980612734731, 137.159928596577 35.0980532154697, 137.159734119942 35.0977995270546, 137.15932996043 35.0970730402709, 137.160896827073 35.0971044573304, 137.160915434931 35.0971512218171, 137.161323912464 35.097846284321))) ^^http://www.opengis.net/ont/geosparql#wktLiteral