メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.137327008409 34.6491216094819, 135.137173160024 34.6492871469622, 135.136633137453 34.6498473802654, 135.136591971245 34.6498206072123, 135.136521406492 34.6497767023806, 135.135719502662 34.6492787058464, 135.135773564193 34.6492287676757, 135.136343324299 34.6486412973144, 135.136394591734 34.6485846161367, 135.136973246698 34.6489188563607, 135.137327008409 34.6491216094819)) ^^http://www.opengis.net/ont/geosparql#wktLiteral