メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.879829245521 35.2440860199576, 136.880709059049 35.2440909982371, 136.880712147009 35.2441098796023, 136.880698497132 35.2450899326373, 136.880698387601 35.2451512709195, 136.880697696232 35.2455670466312, 136.880685321115 35.246082372929, 136.880079092624 35.2460831166891, 136.879792265957 35.2460839137938, 136.879542370435 35.2460919806486, 136.8795615792 35.2456300511061, 136.879586426558 35.2455708845983, 136.879618691382 35.2446636980941, 136.879630401914 35.2440898426807, 136.879829245521 35.2440860199576)) ^^http://www.opengis.net/ont/geosparql#wktLiteral