メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.565455232505 35.3829497182774, 136.563806890308 35.382976940993, 136.562276707217 35.3829792393796, 136.562749619884 35.3803452740032, 136.56288101035 35.3796852456921, 136.562991925452 35.3790437069298, 136.563427668913 35.3790818645122, 136.56396671595 35.3791209568464, 136.5644867467 35.3791155880187, 136.564826873115 35.3791252372412, 136.565453821131 35.3791203958748, 136.566118906657 35.3792025686517, 136.566043604127 35.3796998550673, 136.565789622118 35.3810749602359, 136.565455232505 35.3829497182774)) ^^http://www.opengis.net/ont/geosparql#wktLiteral