メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.236366695966 35.0662730300774, 135.236368838005 35.066669363925, 135.235170961351 35.0666624515725, 135.235156413788 35.0653412545805, 135.236356285267 35.0653287849549, 135.236366695966 35.0662730300774)) ^^http://www.opengis.net/ont/geosparql#wktLiteral