メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.91056783187 35.1696554112053, 136.909961656218 35.1696162898566, 136.909923551787 35.1699506421864, 136.909654080711 35.1699421739497, 136.909670868412 35.1696839019927, 136.90921582695 35.1696475015867, 136.909271848849 35.1690241727521, 136.910607371619 35.1691297238369, 136.91056783187 35.1696554112053)) ^^http://www.opengis.net/ont/geosparql#wktLiteral