メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.520925098459 34.6708716089957, 135.521032097329 34.6715605574921, 135.520995827301 34.6715522449171, 135.520325675575 34.6716144120175, 135.52026560819 34.671616148699, 135.52025222286 34.6714825598807, 135.52016721737 34.6709806201623, 135.520061117031 34.6703368908748, 135.519969065555 34.6698595733673, 135.519841503965 34.6691757560215, 135.519916909467 34.669167459033, 135.520588826513 34.669091355758, 135.520724216202 34.6698081651729, 135.520752347627 34.6699571654371, 135.52078891501 34.6701507109058, 135.520925098459 34.6708716089957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral