メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.452749342279 36.3909561787912, 136.452171518685 36.391131840004, 136.451396535311 36.3899266761843, 136.450693889261 36.388756130814, 136.45135524254 36.3884630873409, 136.451450554268 36.3884444419285, 136.451721467595 36.3884691682813, 136.452186563845 36.3885911643655, 136.452324835833 36.3888170063254, 136.451442302401 36.3891841943574, 136.451826328015 36.3897485066271, 136.452022191565 36.3896574238949, 136.452393247072 36.3901788174664, 136.452524015068 36.3904449922707, 136.452645255625 36.3907149108101, 136.452749342279 36.3909561787912)) ^^http://www.opengis.net/ont/geosparql#wktLiteral