メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.526815477691 36.0598081741615, 139.526684728173 36.0597790680641, 139.526689524749 36.0597718229196, 139.526929857421 36.0594093395523, 139.527092644299 36.0591637946929, 139.527710472405 36.058935783531, 139.527800712128 36.0591257082269, 139.528315246124 36.0589447175415, 139.528381580517 36.0590595914108, 139.52787200473 36.0592535400351, 139.527942715675 36.0593747671512, 139.526815477691 36.0598081741615)) ^^http://www.opengis.net/ont/geosparql#wktLiteral