メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.670208701743 35.1572939591581, 138.670097048998 35.157448696997, 138.669474964049 35.1585335393404, 138.669240670673 35.1589467645074, 138.668864706623 35.1596018828825, 138.668646269875 35.1599793791185, 138.668438257343 35.1603237617552, 138.667745786596 35.1615455273397, 138.667649065621 35.1616580581961, 138.667173637199 35.1610535619127, 138.66689705386 35.1606966121843, 138.666776894056 35.160514097989, 138.666582311724 35.1601911903793, 138.666341863974 35.1597558760083, 138.666186874323 35.1592690360394, 138.666150305066 35.1589919679504, 138.6642972448 35.159121122561, 138.664181904453 35.1591257864102, 138.66413123087 35.1585169682945, 138.663866684446 35.1580662597978, 138.663662756416 35.1577146962269, 138.663469767314 35.1573450897902, 138.663926334699 35.1572477788346, 138.66468410218 35.1571304790297, 138.664954988653 35.1570834887083, 138.665623171793 35.1569753195352, 138.666377543846 35.1569590722174, 138.666940580297 35.1569366050511, 138.66736229401 35.1569379943965, 138.667791205576 35.1569413437122, 138.66817695729 35.156927074512, 138.668399087536 35.1568926804958, 138.668636073074 35.1568480530605, 138.668895878023 35.1567723372391, 138.669602984661 35.1565226088254, 138.669626916044 35.1565108143052, 138.67041231829 35.1562597751398, 138.670556052161 35.1562477412335, 138.67070951275 35.1563026660326, 138.670975919306 35.1565049706545, 138.670208701743 35.1572939591581)) ^^http://www.opengis.net/ont/geosparql#wktLiteral