メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.771497899642 35.4341958945358, 136.772000875203 35.4341304123967, 136.772061250329 35.434717906951, 136.772119826662 35.4353305354883, 136.772104469 35.4356744861052, 136.771632981604 35.4355974356991, 136.771334031369 35.4355433351061, 136.771311162928 35.4353195380656, 136.771259839527 35.4353277517837, 136.77116697789 35.4343905885379, 136.771154172198 35.4342115753445, 136.771497899642 35.4341958945358)) ^^http://www.opengis.net/ont/geosparql#wktLiteral