メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.092404166206 39.738310142232, 140.092408273709 39.7383265284803, 140.091203575536 39.7382279940451, 140.091302548622 39.7372050300009, 140.091305466844 39.7371708316579, 140.091349134189 39.7366599806276, 140.091349622268 39.736572020928, 140.091364205796 39.7364019253639, 140.091388097288 39.7361500677164, 140.09175784518 39.7361827084752, 140.09272193958 39.7362674206005, 140.09258782101 39.7371060574055, 140.092564693761 39.7372826441707, 140.092481839949 39.737793508326, 140.092404166206 39.738310142232)) ^^http://www.opengis.net/ont/geosparql#wktLiteral