メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.870315288627 35.334415198044, 136.870407308308 35.3347679755324, 136.87058594862 35.3353223123163, 136.869875992447 35.3354545916344, 136.868374982278 35.33573288172, 136.868285596918 35.3354020825407, 136.868160104415 35.3350047826038, 136.867971672558 35.3344528845356, 136.867724680044 35.3337192833803, 136.868710785142 35.3336108665636, 136.870093802247 35.3334697517106, 136.870121658686 35.3336192643179, 136.870212681291 35.3340677473719, 136.870315288627 35.334415198044)) ^^http://www.opengis.net/ont/geosparql#wktLiteral