メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.725457447706 35.1722761053806, 136.725105962569 35.1722863021065, 136.724669416817 35.1723002000351, 136.724642714998 35.1725988283323, 136.72437387405 35.172583409131, 136.724433978442 35.1720399096625, 136.723776282629 35.1718641271856, 136.723849504362 35.1717257366847, 136.723895128866 35.1716157650163, 136.723940401073 35.1714913563294, 136.724006295333 35.171288292345, 136.724098703349 35.1711071560248, 136.724467013908 35.1711170950105, 136.724796678695 35.1711525938563, 136.725142240699 35.1711904041937, 136.725166215273 35.1717538583995, 136.725437737588 35.1717485817272, 136.725451095188 35.1718162344435, 136.725560874529 35.1718166347948, 136.72556032745 35.1719180387896, 136.725642662057 35.1719183389864, 136.725656019847 35.171985991675, 136.725683221657 35.172031160165, 136.72573774689 35.1720989629046, 136.725743137478 35.1722682746529, 136.7256893867 35.1722715995456, 136.725457447706 35.1722761053806)) ^^http://www.opengis.net/ont/geosparql#wktLiteral