メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.677035015686 35.3081659205429, 136.676907326129 35.3087484911516, 136.676864204015 35.3090331699866, 136.676844672122 35.3099231387696, 136.674040549427 35.3101042971953, 136.67391945626 35.3090189791871, 136.673872965304 35.3086878843408, 136.673845969799 35.3083576434733, 136.673811057618 35.3079163877259, 136.673717768513 35.3071773690214, 136.674648137543 35.3071257060021, 136.675788431037 35.3070372049466, 136.677275071279 35.3068262142055, 136.677035015686 35.3081659205429)) ^^http://www.opengis.net/ont/geosparql#wktLiteral