メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.901528258267 43.814706223601, 143.90204691015 43.8152650940364, 143.902092546339 43.8153141314519, 143.902343752323 43.815591354176, 143.902675382293 43.8159392442132, 143.903013820786 43.8162944343681, 143.903434264409 43.816735281471, 143.902294049316 43.8173230966213, 143.900547275836 43.8182012292736, 143.900093387076 43.8177444885937, 143.899300775591 43.8169286095185, 143.899129275662 43.8167524767812, 143.898859048668 43.8164754514973, 143.898590218882 43.8161995998155, 143.898536253297 43.8161442654072, 143.897904460918 43.8154961585013, 143.898291781341 43.8152928831857, 143.898587769849 43.8151374400575, 143.898746105018 43.8150543744707, 143.899797753695 43.8145022252154, 143.900813894061 43.813973010706, 143.901528258267 43.814706223601)) ^^http://www.opengis.net/ont/geosparql#wktLiteral