メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.625200125217 35.4414100343094, 139.624813452253 35.4417546166928, 139.624566420221 35.4419663739384, 139.624477628897 35.4420424539778, 139.623934347034 35.4421473717362, 139.623817152965 35.4419100313539, 139.623628841386 35.4414790907257, 139.623707120222 35.4414424279334, 139.623849415717 35.4413575348242, 139.624058785919 35.4411591284169, 139.624518898376 35.4407756955575, 139.624774682873 35.4409803834337, 139.624971971905 35.4411690244148, 139.625200125217 35.4414100343094)) ^^http://www.opengis.net/ont/geosparql#wktLiteral