メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.167765294905 34.2323417976763, 135.167662441562 34.2323411023801, 135.167663169796 34.2322667281043, 135.166339818823 34.2322652395787, 135.165302593711 34.2322620165817, 135.165287581922 34.2319684831165, 135.166347140367 34.2319681966571, 135.167749631803 34.231984304652, 135.167750956694 34.2320136145091, 135.167765294905 34.2323417976763)) ^^http://www.opengis.net/ont/geosparql#wktLiteral