メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.829200185266 35.3980009670204, 136.829146732474 35.3984570095555, 136.829094744826 35.3988034094348, 136.829034821758 35.3991449980991, 136.828987835274 35.3994776798567, 136.828943204998 35.3997243128148, 136.827632025393 35.3996082010466, 136.827788991652 35.3990806893211, 136.827880608747 35.3987456682503, 136.82810277622 35.3980036224542, 136.828244164754 35.3976167685129, 136.829256472239 35.3975716928727, 136.829200185266 35.3980009670204)) ^^http://www.opengis.net/ont/geosparql#wktLiteral