メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.386597660555 37.9557163421516, 139.385293051659 37.9555024430692, 139.3841075391 37.9552417459878, 139.384626144051 37.9541429018718, 139.38532512238 37.9535059964998, 139.386276255966 37.9529934693614, 139.387037927386 37.953781864736, 139.386926000563 37.9539512159037, 139.386805793107 37.9540603760621, 139.386790813322 37.954078648548, 139.386992794193 37.9544500464637, 139.386979326671 37.9545944431025, 139.386865231789 37.9545833358201, 139.386659435216 37.9545308242973, 139.386597660555 37.9557163421516)) ^^http://www.opengis.net/ont/geosparql#wktLiteral