メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.328315327245 37.9684073976608, 139.328398057349 37.9689351687571, 139.328563353646 37.9697218203123, 139.328654698816 37.9702330578552, 139.328802261614 37.9710082875273, 139.32838847479 37.9711374797832, 139.328087238426 37.9712336382546, 139.328044231413 37.9710930186591, 139.328030681686 37.9709388175876, 139.327608048855 37.9708892747719, 139.326728515382 37.9708025344481, 139.325419708898 37.9706605115288, 139.322934799149 37.9704111116262, 139.321174235747 37.9702292562444, 139.319790141194 37.9700876968196, 139.3192766941 37.97004241804, 139.319359606566 37.9696449772543, 139.319313837002 37.969406247551, 139.319089004899 37.9682609974853, 139.320410094016 37.9681038416469, 139.321672432792 37.9679489133991, 139.322964127802 37.9678043266827, 139.324229209282 37.9676576617143, 139.325526815096 37.9675176538227, 139.326812469519 37.9673589911807, 139.327458253084 37.9672819558779, 139.328124777539 37.9672071662816, 139.328315327245 37.9684073976608)) ^^http://www.opengis.net/ont/geosparql#wktLiteral