メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.934456183178 34.9076279513185, 136.934355631747 34.9077788305025, 136.932920845394 34.908744562015, 136.930714678562 34.9087509491506, 136.928939827929 34.9087653216679, 136.928515582681 34.9079947740907, 136.928518726385 34.9079261820175, 136.930757323393 34.907549017177, 136.933326089651 34.9075421255319, 136.933786265771 34.9075918820599, 136.934456183178 34.9076279513185)) ^^http://www.opengis.net/ont/geosparql#wktLiteral