メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.370470961386 43.0495012779757, 141.370814954867 43.0497824982255, 141.371143338921 43.0500556504142, 141.370456988698 43.0504798129938, 141.370062971521 43.0507397479863, 141.369737690246 43.0504375006434, 141.369430240122 43.0501760392264, 141.369044517474 43.0498558821551, 141.369379859522 43.04964191655, 141.370115332004 43.0491958439351, 141.370470961386 43.0495012779757)) ^^http://www.opengis.net/ont/geosparql#wktLiteral