メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.86179248195 35.2528894738908, 136.861784342314 35.2532005134689, 136.862444495808 35.2531985895319, 136.862447791681 35.2534874060001, 136.862818828504 35.2534841170243, 136.862817675898 35.2540208130478, 136.863183311711 35.2540340585197, 136.863186441763 35.2545737236922, 136.860801133407 35.2545563564673, 136.860274153888 35.2545505119063, 136.860282776216 35.2540126356126, 136.860293622076 35.2534711042391, 136.860290185528 35.2529251013789, 136.861666890675 35.2528874659597, 136.86179248195 35.2528894738908)) ^^http://www.opengis.net/ont/geosparql#wktLiteral