メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.914779173713 35.076789744036, 136.913250122934 35.0768866612669, 136.913175626535 35.0764184498696, 136.913134628034 35.0761607437333, 136.913110922935 35.0760118124795, 136.913081881742 35.0758292059055, 136.914694119993 35.0760628333011, 136.914706964276 35.0760646915388, 136.914779173713 35.076789744036)) ^^http://www.opengis.net/ont/geosparql#wktLiteral