メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.764756693877 35.3987673847666, 136.765143352556 35.398716555244, 136.765282999617 35.3994730040532, 136.764298097428 35.3995992917103, 136.764294546837 35.3995752380049, 136.763370007181 35.3996809873844, 136.763102180542 35.3997093448614, 136.763071573756 35.3995806112173, 136.763032481011 35.3994347783067, 136.762977967731 35.3992855833323, 136.762933126997 35.3991630398304, 136.76284612295 35.3990185260798, 136.764533429989 35.3987967348037, 136.764756693877 35.3987673847666)) ^^http://www.opengis.net/ont/geosparql#wktLiteral