メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.462823235378 43.0485847700651, 141.464506428467 43.0491860016111, 141.464175312644 43.0497072022866, 141.463428666511 43.0508629585157, 141.462890310332 43.0506741427194, 141.46234668706 43.0504850062604, 141.461720255711 43.0502587952247, 141.461192245972 43.0500867104691, 141.461145856169 43.0500697225255, 141.461410456303 43.0496750189344, 141.461653346469 43.0492905746144, 141.461925112189 43.0489011236195, 141.461151372003 43.0486212854344, 141.461473933183 43.0480994713339, 141.46223561106 43.0483734574359, 141.462823235378 43.0485847700651)) ^^http://www.opengis.net/ont/geosparql#wktLiteral