メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.921833312833 35.483144301739, 136.922772495216 35.482966307452, 136.923136124648 35.4838527092558, 136.922575186861 35.4840876347818, 136.922628128058 35.4841981289996, 136.922571228505 35.4842241406061, 136.922611311192 35.4843883769887, 136.922458038213 35.4843821165332, 136.922360056726 35.4841743486074, 136.922274719111 35.4842090354793, 136.922162714342 35.4842509211237, 136.922097712289 35.4840849449166, 136.92203360761 35.4839215052318, 136.921990897371 35.4837715943585, 136.921900560354 35.4837846505889, 136.921866217846 35.4836368335401, 136.92158794802 35.4831886971481, 136.921833312833 35.483144301739)) ^^http://www.opengis.net/ont/geosparql#wktLiteral