メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.657071377707 35.1752863953856, 138.656995862016 35.1756869958433, 138.656774969134 35.1761719400408, 138.656396837224 35.1770312498083, 138.655340753268 35.1767297756678, 138.654439432167 35.1764693665301, 138.65264768363 35.1759092869798, 138.6525614393 35.1758803797127, 138.651770877141 35.1756154446455, 138.653427477425 35.1744838350534, 138.654463501066 35.1738163821593, 138.655954588799 35.1727950902025, 138.655966782026 35.1728196539265, 138.656316466955 35.1735245758883, 138.656546551477 35.1739962636347, 138.657002240064 35.174939575011, 138.657051813095 35.1751017687404, 138.657071377707 35.1752863953856)) ^^http://www.opengis.net/ont/geosparql#wktLiteral