メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.092848338875 39.4416579373839, 140.091916022021 39.441519885737, 140.09192044936 39.4411025442119, 140.091943465268 39.4406227623665, 140.091997017922 39.4398092997525, 140.0923380775 39.4398184375673, 140.092795372045 39.4398769736467, 140.093170897097 39.4400254510736, 140.093510044362 39.4402153907901, 140.093404974785 39.4408129094785, 140.093304248083 39.4410000542768, 140.092848338875 39.4416579373839)) ^^http://www.opengis.net/ont/geosparql#wktLiteral