メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.009079347348 43.5675180995458, 145.008114859352 43.5670501460481, 145.009687831588 43.5658044280409, 145.009818323354 43.5660146218058, 145.009910023907 43.5662139743248, 145.010034814887 43.5664897728696, 145.010141732881 43.5667046141659, 145.010189652868 43.5668008834354, 145.01002868039 43.5668716817165, 145.009854445285 43.5669316545537, 145.009708991457 43.5669780632796, 145.009678146467 43.5669802855807, 145.009079347348 43.5675180995458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral