メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.005270338999 43.5681107082465, 145.004990691222 43.568331888683, 145.004949255337 43.5683054986275, 145.0042227585 43.5678474530168, 145.004775673304 43.5673924499377, 145.005091184237 43.567143400817, 145.00585905221 43.5676434431822, 145.005386641788 43.5680187375467, 145.005339225839 43.568056271449, 145.005270338999 43.5681107082465)) ^^http://www.opengis.net/ont/geosparql#wktLiteral