メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.495261859801 40.4581634671542, 141.494759554572 40.4581565273501, 141.494375227151 40.4581058492932, 141.493719065951 40.4579173778582, 141.493605256893 40.4578603675731, 141.493465075477 40.4576785487902, 141.493528875029 40.4575249771194, 141.493971557188 40.4564596279586, 141.494643107758 40.4565187608751, 141.49517721819 40.45670757488, 141.495203975095 40.4567589615186, 141.495219466381 40.4568075613301, 141.495110175492 40.4575475276377, 141.495117740595 40.4576893295733, 141.495261859801 40.4581634671542)) ^^http://www.opengis.net/ont/geosparql#wktLiteral