メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.613196988989 33.2450103560384, 131.615275834768 33.245207672205, 131.615204551876 33.2457773940867, 131.615124998914 33.2463755644843, 131.614270472754 33.2462957291371, 131.613040187351 33.2461799810169, 131.612687686718 33.246148820334, 131.611593762478 33.2460445737532, 131.611673033151 33.2454389587743, 131.611772591817 33.2448691022995, 131.613196988989 33.2450103560384)) ^^http://www.opengis.net/ont/geosparql#wktLiteral