メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.309630169075 36.3108631729371, 136.30911306598 36.3110142295501, 136.309007225282 36.3108048817513, 136.308890355755 36.3108477691657, 136.309004017764 36.3110975524957, 136.308833053622 36.3111467755916, 136.308808690457 36.3110995325798, 136.308558371866 36.3111818427017, 136.308449359907 36.3112617857737, 136.308274772922 36.3112605340243, 136.308081728662 36.3106737636222, 136.308361285011 36.3105748361436, 136.308373589707 36.3105951320956, 136.309391361112 36.310276075564, 136.309630169075 36.3108631729371)) ^^http://www.opengis.net/ont/geosparql#wktLiteral