メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.974353032559 36.1519193138434, 139.972928418973 36.1523538187638, 139.971340623045 36.1528341242144, 139.971388287444 36.1524301574791, 139.97144298725 36.1517436142805, 139.971486320861 36.151420911397, 139.971575850911 36.1508422196354, 139.971623421262 36.1505851458018, 139.971862695658 36.1493498376958, 139.972059806336 36.148320415858, 139.972260334291 36.1473055907569, 139.972837666437 36.1485620951101, 139.973191003833 36.1493340888058, 139.973887026209 36.150845763953, 139.974028426045 36.1511795500525, 139.974353032559 36.1519193138434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral