メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.558581440681 31.5900340632365, 130.559211315051 31.5902496345775, 130.559340814403 31.5902995537505, 130.559112814639 31.5906868811951, 130.558889152386 31.5910618225258, 130.558855079456 31.5911297725029, 130.558728554352 31.5913646857115, 130.558596805829 31.5916162100103, 130.558452506178 31.5919191299809, 130.557819380392 31.5917532939315, 130.557577549742 31.5916695793839, 130.55716253554 31.5915036576878, 130.557418380763 31.5908799472097, 130.557468385736 31.5907506064215, 130.557855683254 31.5897981408362, 130.558496740902 31.5900065675021, 130.558581440681 31.5900340632365)) ^^http://www.opengis.net/ont/geosparql#wktLiteral