メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.34845603576 37.2571279752519, 140.348748996934 37.2574480141197, 140.348922885278 37.2576588853236, 140.346572328599 37.2588222915146, 140.346079475151 37.2582409331302, 140.345455360456 37.2574717445611, 140.345435908942 37.2574477509012, 140.344719296609 37.256595460635, 140.345057791823 37.2563719504655, 140.34560930557 37.2560267066977, 140.34647469079 37.2554780491341, 140.346760177723 37.2552702505468, 140.34752135538 37.2561069853556, 140.34845603576 37.2571279752519)) ^^http://www.opengis.net/ont/geosparql#wktLiteral