メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.044274548481 34.8569390209506, 137.043884954416 34.8571175824248, 137.042861608045 34.8578591285522, 137.043080402492 34.8580787367992, 137.042705333004 34.858345273941, 137.042300886433 34.8586359364991, 137.041416856441 34.8577971362579, 137.041024160201 34.8574324018696, 137.042546930729 34.8563445282338, 137.043523235325 34.8556625890816, 137.043819787821 34.8555508407469, 137.043794691198 34.8559804978266, 137.043847134892 34.8562354306035, 137.043923191584 34.8564048179864, 137.043977792937 34.856522559258, 137.044079322176 34.8566629556456, 137.044274548481 34.8569390209506)) ^^http://www.opengis.net/ont/geosparql#wktLiteral