メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.787529602134 35.2072534419109, 136.789706411978 35.2073072203972, 136.790625328661 35.2073481800715, 136.791505226633 35.2073752091533, 136.791493365339 35.2079233495521, 136.791488599106 35.2089649700114, 136.788766688072 35.2089505087869, 136.786817434629 35.2089532740803, 136.786803142701 35.2079730746874, 136.786797835435 35.2072295959996, 136.787529602134 35.2072534419109)) ^^http://www.opengis.net/ont/geosparql#wktLiteral