メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.78602781347 35.2976755882091, 136.785935665347 35.2989055884801, 136.785910060686 35.2992478344318, 136.785885465302 35.29957613955, 136.78585807873 35.2999415479766, 136.784704122191 35.2999070553811, 136.783577006407 35.2998647576875, 136.783577261389 35.2991325711192, 136.783595852697 35.2987310079273, 136.783455585903 35.2980611239242, 136.783424603382 35.2979272227639, 136.783435148369 35.297812677484, 136.78343756562 35.297791699329, 136.783499560372 35.2972566109378, 136.784808352168 35.2972818035464, 136.785500962653 35.2973059649958, 136.786061682905 35.2973197072248, 136.78602781347 35.2976755882091)) ^^http://www.opengis.net/ont/geosparql#wktLiteral