メタデータ名 G20503004803
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.71336011283 44.368607921413, 141.71276335748 44.3689500695892, 141.711675835202 44.3681254011586, 141.712280490996 44.3677283111317, 141.71336011283 44.368607921413)) ^^http://www.opengis.net/ont/geosparql#wktLiteral