メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.148670097628 34.6614506218656, 135.148881431669 34.6615844287665, 135.149079107651 34.6617160731265, 135.149370046346 34.6619011810175, 135.14935922528 34.6619102684122, 135.148670836258 34.6626383230711, 135.148379940665 34.6624577206733, 135.148223418034 34.6623505905167, 135.148042260851 34.6622346101999, 135.147696512137 34.6620228213197, 135.147915221641 34.6617959866234, 135.148096123236 34.661607717725, 135.148398342407 34.661274398672, 135.148670097628 34.6614506218656)) ^^http://www.opengis.net/ont/geosparql#wktLiteral