メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.446570715274 40.5079479668378, 141.446211769139 40.5086659939392, 141.445712515101 40.5096370738685, 141.444125747416 40.5091797839375, 141.443228888636 40.5089247651624, 141.442674679229 40.508751340676, 141.44315673231 40.5077855017557, 141.44341181514 40.5072850937363, 141.443642910507 40.5068336406725, 141.443909114136 40.5063406652183, 141.444269448795 40.5067619312662, 141.444420193537 40.5069121590934, 141.444502530051 40.5069345184802, 141.44456599161 40.5069341819238, 141.44477950564 40.5070128371259, 141.444933003671 40.5070604641566, 141.445064415152 40.5071424040284, 141.445244488758 40.5072383329181, 141.445400020762 40.5073016406356, 141.445561219798 40.5073748732963, 141.445632565913 40.5074200863099, 141.445715394784 40.5074965845898, 141.445832369571 40.5076327408993, 141.445971901644 40.5077858760278, 141.446077129846 40.5078622550274, 141.44628274021 40.5078925063439, 141.446570715274 40.5079479668378)) ^^http://www.opengis.net/ont/geosparql#wktLiteral