メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.859044488284 37.4585260011774, 139.853014536121 37.4585327172967, 139.853009362396 37.4565271919346, 139.853013260617 37.4535697269079, 139.854138511508 37.45357813643, 139.854147368762 37.4532210708681, 139.857926564278 37.4531453418195, 139.857935604232 37.4533382349762, 139.859002564316 37.4533236583618, 139.85901207382 37.4552779359041, 139.859044488284 37.4585260011774)) ^^http://www.opengis.net/ont/geosparql#wktLiteral