メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.033709474661 35.214085784635, 137.03370138998 35.214124369631, 137.033375510495 35.2140723109846, 137.031628381684 35.2138983616563, 137.030704446559 35.2138063181095, 137.030708920586 35.2137787896187, 137.03067217442 35.2137074773683, 137.030730973251 35.2135651505705, 137.030729015081 35.2134316970179, 137.030707517387 35.2133106172867, 137.030686435152 35.2130261544409, 137.030814818625 35.213000244371, 137.031006590773 35.2129937752812, 137.031517481017 35.2130134411613, 137.031955615109 35.2131330971988, 137.032151417769 35.2131749376279, 137.032318474671 35.213211043764, 137.032526613856 35.213247263757, 137.032929033159 35.2134298326683, 137.033102860326 35.2135120707958, 137.033280773557 35.2136067104525, 137.033447617829 35.2137755590084, 137.033611684438 35.2139645472835, 137.033709474661 35.214085784635)) ^^http://www.opengis.net/ont/geosparql#wktLiteral