メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.792374550152 35.3880562730635, 136.793058304094 35.3880864200187, 136.793088105295 35.388085244963, 136.793122192961 35.38808711091, 136.793431256048 35.3881039119317, 136.793864495984 35.3881479967266, 136.795110707659 35.3883143003715, 136.795201602553 35.390144379369, 136.794123706787 35.3901913374314, 136.793351794815 35.3902719085424, 136.792577446407 35.3903771137336, 136.792238166458 35.3903838786728, 136.790138348956 35.3903653051372, 136.790148044985 35.3887727046098, 136.790139238987 35.3880465707616, 136.791543210748 35.3880405929746, 136.792374550152 35.3880562730635)) ^^http://www.opengis.net/ont/geosparql#wktLiteral