メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.91081714813 35.4869448556208, 136.910525517952 35.4875278839215, 136.909549640376 35.4872673579073, 136.908651427248 35.487055942878, 136.90847392746 35.4870141570852, 136.908718524139 35.4868264787884, 136.909460332755 35.4863244752176, 136.909845014194 35.4864493787773, 136.910326840108 35.4865815325213, 136.910926704048 35.4867242142499, 136.91081714813 35.4869448556208)) ^^http://www.opengis.net/ont/geosparql#wktLiteral