メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.575287718338 43.325993155967, 145.574423233333 43.326707364015, 145.573893841646 43.3270953839977, 145.573357272035 43.3275072365962, 145.572249401548 43.3267495487424, 145.572767023505 43.3263434555918, 145.573305351701 43.3259427345507, 145.573661639817 43.3256586214297, 145.573995025954 43.3253926817519, 145.575287718338 43.325993155967)) ^^http://www.opengis.net/ont/geosparql#wktLiteral