メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.869997658835 35.2549609678452, 136.869967708314 35.2559804869726, 136.869955578051 35.256357223465, 136.869664557058 35.2563505908155, 136.86932344124 35.2563379890991, 136.868973935894 35.2563302955788, 136.868661445426 35.2563197349852, 136.868024486762 35.256304496833, 136.868082299502 35.2549182100568, 136.868101827222 35.2543587427713, 136.868731547827 35.2543475540521, 136.86930684267 35.2543409467367, 136.869386523919 35.2543379739019, 136.869811455867 35.2542649361051, 136.869957308463 35.2542381813908, 136.870038948221 35.2542335939972, 136.869997658835 35.2549609678452)) ^^http://www.opengis.net/ont/geosparql#wktLiteral