メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.754577313929 35.4197322075546, 136.754632949649 35.4199989348704, 136.754637611169 35.4200211678334, 136.754102621716 35.4201044224782, 136.754041635645 35.4200688752858, 136.753863532574 35.4199650613609, 136.753634297007 35.419850588647, 136.753496591078 35.4196268172131, 136.754517397876 35.4194525755628, 136.754524036075 35.4194836524331, 136.754577313929 35.4197322075546)) ^^http://www.opengis.net/ont/geosparql#wktLiteral