メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.28142013414 35.3167694981028, 136.281319737699 35.3172057193886, 136.28076003339 35.3171828562749, 136.280663901157 35.3175862503991, 136.280260340044 35.3175708420431, 136.280581556227 35.3161595274197, 136.280472079182 35.3159301998706, 136.281061057811 35.3158679260548, 136.281607183107 35.3158244808237, 136.282247940556 35.3158464485708, 136.282180978231 35.3163339311679, 136.281513677192 35.3163579408898, 136.28142013414 35.3167694981028)) ^^http://www.opengis.net/ont/geosparql#wktLiteral