メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.083647864308 35.0051185852024, 136.08299228713 35.005460468259, 136.08212711622 35.0059291186672, 136.081592787354 35.0062101328626, 136.081070778161 35.0064842347855, 136.08043046173 35.0056447493628, 136.080004284731 35.0050973914368, 136.081029776531 35.0045558271749, 136.081416129526 35.004356117618, 136.081860027194 35.0041191822943, 136.082749772871 35.0036505176859, 136.082900348887 35.0038714144698, 136.083274291418 35.004488802726, 136.083597790997 35.0050467143688, 136.083647864308 35.0051185852024)) ^^http://www.opengis.net/ont/geosparql#wktLiteral