メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.863094129638 35.2370018852205, 136.863610956614 35.2370265644176, 136.864078153737 35.2370329487763, 136.864025952206 35.2377136746159, 136.863993952661 35.2380444450579, 136.863368478895 35.2380297055864, 136.862821410367 35.2378550863745, 136.862536295013 35.2377720428651, 136.862531414506 35.2376939311953, 136.861940787371 35.2376747642372, 136.862006617096 35.2369462564048, 136.862258104339 35.2369659056397, 136.863094129638 35.2370018852205)) ^^http://www.opengis.net/ont/geosparql#wktLiteral