メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.706373863382 35.2526630492019, 136.705703629995 35.2528052285562, 136.705510758679 35.2522521001373, 136.705131256361 35.2513492481441, 136.704877381422 35.2507002537669, 136.70476270254 35.2503639719414, 136.705104715383 35.2502903408017, 136.705178766149 35.250471255826, 136.70549958389 35.250388318078, 136.705566077624 35.2505773737318, 136.705960601376 35.2515645075894, 136.706373863382 35.2526630492019)) ^^http://www.opengis.net/ont/geosparql#wktLiteral