メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.358894540123 43.0959125745359, 141.3593335222 43.0959703545713, 141.359923331856 43.0960504034923, 141.359639215128 43.0971783482664, 141.359046791321 43.0971058031189, 141.358613203919 43.0970461669507, 141.358031437488 43.0969737015418, 141.358318240036 43.0958343850936, 141.358894540123 43.0959125745359)) ^^http://www.opengis.net/ont/geosparql#wktLiteral