メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.91720826253 35.0736185338185, 136.917184437717 35.0740305538023, 136.917165596003 35.0742725032946, 136.917103825294 35.0749269970974, 136.917076095777 35.0753838010102, 136.916402192435 35.0753013627042, 136.915900368193 35.0752400496385, 136.915888748454 35.0748025328472, 136.915876930759 35.0744097373382, 136.91587593909 35.0743767047019, 136.915870367738 35.0741922452906, 136.915863593363 35.0739666540358, 136.915852760799 35.0735456896979, 136.915848216623 35.0733686261941, 136.917221744582 35.0734572131648, 136.91720826253 35.0736185338185)) ^^http://www.opengis.net/ont/geosparql#wktLiteral