メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.152610289086 34.6693617325234, 135.152215607842 34.6697249820134, 135.151831612117 34.6700656209929, 135.151389353713 34.6697530754613, 135.151065339613 34.6695366430975, 135.151443458761 34.6691273075947, 135.151767091677 34.6687769337458, 135.15198135494 34.6689287449716, 135.152157054812 34.6690425022088, 135.152470269201 34.669270272911, 135.152610289086 34.6693617325234)) ^^http://www.opengis.net/ont/geosparql#wktLiteral