メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.865698589103 35.3367873467192, 136.865820256117 35.3372353424111, 136.865935353393 35.3376361365963, 136.865427828775 35.3376989583242, 136.864439498849 35.3380869264022, 136.863810519784 35.3382464133513, 136.863691567654 35.3379774434731, 136.863536402177 35.3377750053862, 136.863323473463 35.3375118561243, 136.863142171931 35.3373470285474, 136.863064453522 35.3371011204828, 136.863873126423 35.3369999060106, 136.863618043306 35.3364664308434, 136.864576688092 35.3363560089412, 136.865558495771 35.3362332429952, 136.865698589103 35.3367873467192)) ^^http://www.opengis.net/ont/geosparql#wktLiteral