メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.773920846 35.3004215419172, 136.773919007735 35.3008042093868, 136.77390332657 35.3010105661765, 136.773731469491 35.3007536715912, 136.773476699458 35.3004115781525, 136.772994152509 35.2998938155561, 136.77255696337 35.2994926072031, 136.772417885689 35.2993780006994, 136.772258116268 35.2992347341908, 136.771888500135 35.2989120577406, 136.772013171197 35.2988344321593, 136.772627704914 35.2988415036749, 136.772618502601 35.2992894991828, 136.772725602467 35.2993821000184, 136.773963341053 35.2993984459909, 136.773920846 35.3004215419172)) ^^http://www.opengis.net/ont/geosparql#wktLiteral