メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.558765719074 34.0808819783856, 134.558656273221 34.0808958813737, 134.558432021575 34.0809283131065, 134.55827056921 34.0809600622135, 134.558195818335 34.0808304075287, 134.557680360035 34.080956418605, 134.556542122626 34.0811897779587, 134.555891535791 34.0799451246354, 134.556297889279 34.0798128786793, 134.556726411131 34.0796459241929, 134.557035669683 34.0801392476369, 134.55762279378 34.0798953531672, 134.557598805854 34.0798586527214, 134.557679367241 34.0798297852983, 134.558058576136 34.0796658603026, 134.558765719074 34.0808819783856)) ^^http://www.opengis.net/ont/geosparql#wktLiteral