メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.132966767505 37.9326674977369, 139.133747941106 37.9335852907144, 139.133661348236 37.9336648788823, 139.133916950628 37.9338973441015, 139.133514507561 37.9342369850058, 139.134140829727 37.9347918181125, 139.131578501966 37.9361129981956, 139.130660360573 37.9350069941265, 139.130239314072 37.9344979224209, 139.129816527656 37.9335290505925, 139.12926398637 37.9322819757962, 139.128901079438 37.9314955201305, 139.130385923751 37.9310860179695, 139.132078160366 37.9306125862562, 139.132655052648 37.9319529987757, 139.132966767505 37.9326674977369)) ^^http://www.opengis.net/ont/geosparql#wktLiteral