メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.109244021791 36.3645896546554, 140.109015485116 36.3646292608535, 140.108158997155 36.3647171698255, 140.107820904584 36.3647466056364, 140.107088262411 36.3647808520108, 140.106535806711 36.3647651850704, 140.106290022416 36.3637333941156, 140.106680089395 36.3637801001637, 140.107085012906 36.3637747363792, 140.107203140873 36.3637661216848, 140.107429691311 36.3637496172048, 140.107842483171 36.3636490753895, 140.108991948092 36.363339932148, 140.109042188901 36.3633237613015, 140.109183781102 36.3640119390338, 140.109244021791 36.3645896546554)) ^^http://www.opengis.net/ont/geosparql#wktLiteral