メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.091801382815 34.9489940957736, 137.090613363788 34.9494218174032, 137.089610617128 34.9497817553932, 137.089444090535 34.949490927391, 137.089664327828 34.9494073336856, 137.089647672817 34.9493699259393, 137.089804746708 34.9493107989972, 137.089781810392 34.9492676836871, 137.090085105425 34.9492408354684, 137.090077467733 34.949187518333, 137.091236206811 34.9488157008286, 137.091435222956 34.9487184268525, 137.091760529353 34.9486219369911, 137.092128617361 34.9485023019018, 137.092172289651 34.9488094590968, 137.092179998987 34.948880876618, 137.091801382815 34.9489940957736)) ^^http://www.opengis.net/ont/geosparql#wktLiteral