メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.006169588601 43.5660697424837, 145.005810201029 43.565891225825, 145.005692968824 43.5658398377966, 145.005393209951 43.5656752456735, 145.005301751029 43.5656249591994, 145.005280385038 43.5656144693044, 145.005369974489 43.5655263786556, 145.006302904719 43.5647831397631, 145.006585880752 43.5649741179889, 145.007105157561 43.5653123345514, 145.006169588601 43.5660697424837)) ^^http://www.opengis.net/ont/geosparql#wktLiteral