メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.341473372204 34.23648838684, 135.341228332787 34.236433399899, 135.3403920029 34.2362521136021, 135.340455618954 34.2359453642184, 135.34048627597 34.2358093098159, 135.340514589423 34.2356308418264, 135.340557598227 34.2352858060849, 135.341165561509 34.235344717607, 135.341148614441 34.2355501528737, 135.341332675052 34.2355781884892, 135.341326488548 34.2358776397443, 135.341634085471 34.2359414153614, 135.341473372204 34.23648838684)) ^^http://www.opengis.net/ont/geosparql#wktLiteral