メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.860136962847 34.992326431173, 139.859082809482 34.992928370597, 139.858387862887 34.9932581091865, 139.858223328822 34.9930182046916, 139.858034114556 34.9927478110293, 139.857777033014 34.992387779696, 139.858545788503 34.9921442296307, 139.859018542715 34.9919886296696, 139.859890057639 34.991670684528, 139.860136962847 34.992326431173)) ^^http://www.opengis.net/ont/geosparql#wktLiteral