メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.927101762778 35.0897217304295, 136.927156708551 35.0895642215834, 136.929002477043 35.0902122688292, 136.929137654461 35.0902745092658, 136.928596628277 35.0913178152704, 136.928460558553 35.0914933343587, 136.928303557317 35.091797905296, 136.927023853236 35.0914997242035, 136.926699283516 35.0915919045858, 136.926318812443 35.091495720205, 136.926521572023 35.091043487774, 136.9266580718 35.0907196513939, 136.926790851463 35.0904675733815, 136.92683068107 35.0903819342413, 136.926831134622 35.0903809579466, 136.926885406062 35.090264225947, 136.927020511303 35.0899254632369, 136.927101762778 35.0897217304295)) ^^http://www.opengis.net/ont/geosparql#wktLiteral