メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.890417167557 35.2565519106853, 136.890429103538 35.2582257925905, 136.890429723994 35.2583128538873, 136.89042868888 35.2591379589493, 136.88981095651 35.2591466199289, 136.888630259676 35.2591794798467, 136.888625303685 35.2587891997696, 136.888610865225 35.2562973489112, 136.888623124999 35.2547745406008, 136.8894031272 35.2550419642462, 136.889969902203 35.2552133323559, 136.890170885583 35.2552760455594, 136.890412444235 35.2553359634101, 136.890417167557 35.2565519106853)) ^^http://www.opengis.net/ont/geosparql#wktLiteral