メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.373538014351 39.5432946007162, 140.372537393307 39.5434196521078, 140.372583644587 39.5436867544557, 140.372545360275 39.5437037620483, 140.372543509861 39.5437289474731, 140.372202982015 39.543725088382, 140.372220162118 39.5434757104299, 140.372227250968 39.5424067808349, 140.372569150622 39.542385158234, 140.372956392304 39.5422487644107, 140.373424110094 39.5428626569722, 140.373538014351 39.5432946007162)) ^^http://www.opengis.net/ont/geosparql#wktLiteral