メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.857303822169 35.4021798501964, 136.857464964838 35.4021901240716, 136.858656205909 35.4022847359467, 136.858564030759 35.4030766024571, 136.858785194326 35.4033745592802, 136.858541027532 35.4034828037979, 136.858498164098 35.403473962029, 136.857281890531 35.4039737117985, 136.857287306616 35.4039856971323, 136.856568716649 35.4042521496665, 136.856409619364 35.4039645606173, 136.856365825684 35.4039793060337, 136.856274867203 35.4038395669793, 136.856300797314 35.403553300329, 136.85631934546 35.402886174647, 136.856388811678 35.4021118544411, 136.857303822169 35.4021798501964)) ^^http://www.opengis.net/ont/geosparql#wktLiteral