メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.061809594675 34.9998654044291, 137.060883816851 35.0003076816978, 137.058699682105 35.00134707759, 137.058269730428 35.0015522826455, 137.057968622284 35.0016985091076, 137.057615095078 35.0018582105947, 137.056599207318 35.0013587357842, 137.057704815485 35.0007984729409, 137.05860814125 35.0003500725705, 137.05975415273 34.999783555038, 137.060189422948 34.99955574202, 137.060300975607 34.9994973126344, 137.061147367609 34.9990782830466, 137.061673184025 34.9988140591349, 137.062016224771 34.9986457435944, 137.062585542759 34.9994992674098, 137.061809594675 34.9998654044291)) ^^http://www.opengis.net/ont/geosparql#wktLiteral