メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((132.535565590108 33.2726708759235, 132.535962736134 33.2724049547834, 132.536464612518 33.2720632211839, 132.536852761875 33.2725099036318, 132.536265813203 33.2728626028003, 132.536061861046 33.2730386765062, 132.535839713178 33.2729548859828, 132.535565590108 33.2726708759235)) ^^http://www.opengis.net/ont/geosparql#wktLiteral