メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.13136237584 34.7651106835859, 136.132670349621 34.7652602706772, 136.132650053566 34.7656239975392, 136.132579521184 34.7660537013047, 136.132508279236 34.7660416651506, 136.132513103192 34.7659827793615, 136.13124072699 34.7658382236207, 136.130204192277 34.7657298861193, 136.130252702344 34.7653448597804, 136.129926006676 34.7653087250353, 136.129717234952 34.76528669078, 136.129762131173 34.7649491385382, 136.13136237584 34.7651106835859)) ^^http://www.opengis.net/ont/geosparql#wktLiteral