メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.939126082919 35.1062217878434, 136.93911035377 35.1061686563206, 136.938747306088 35.1062338834407, 136.938744023807 35.1063207835591, 136.937770013349 35.1065239329889, 136.937699425655 35.1063367443179, 136.937702735492 35.1061862488799, 136.937553157616 35.1059830627801, 136.937821519293 35.105853005888, 136.937670277749 35.105400013488, 136.938370522976 35.1052796564259, 136.939057115219 35.1053386458759, 136.939597526772 35.1053757329674, 136.939835248791 35.1058819900925, 136.939908719378 35.1060667176629, 136.939126082919 35.1062217878434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral