メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.431493194652 34.7654833660257, 135.430405118031 34.7662465825026, 135.430020822866 34.7665755504869, 135.43011267839 34.7663906305512, 135.430086622917 34.7663115665062, 135.430035437597 34.7662293473563, 135.429973198353 34.766169623278, 135.429624849328 34.7659590872955, 135.430701583023 34.764861457602, 135.431493194652 34.7654833660257)) ^^http://www.opengis.net/ont/geosparql#wktLiteral