メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.559523537355 31.5886379102409, 130.560249315613 31.588999814874, 130.559922371705 31.5894490908662, 130.559654425712 31.5898245829771, 130.559340814403 31.5902995537505, 130.559211315051 31.5902496345775, 130.558581440681 31.5900340632365, 130.558496740902 31.5900065675021, 130.557855683254 31.5897981408362, 130.557905519264 31.5896952953586, 130.55818255728 31.5892875650424, 130.558327886747 31.589053281994, 130.55874586879 31.5884495865925, 130.558843261104 31.5882902515739, 130.559091478592 31.5884144343154, 130.559517707401 31.5886347889524, 130.559523537355 31.5886379102409)) ^^http://www.opengis.net/ont/geosparql#wktLiteral