メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.003371983072 43.5672936005603, 145.00330496305 43.5672490518626, 145.002909781444 43.5669769148492, 145.002490334117 43.5666815937555, 145.002462648813 43.5666640144779, 145.003313090755 43.5659853709675, 145.004236415647 43.5665867330401, 145.003371983072 43.5672936005603)) ^^http://www.opengis.net/ont/geosparql#wktLiteral