メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.527725944789 39.218230858301, 140.527125080441 39.2169978119915, 140.527200563317 39.2169388921973, 140.527374149911 39.2167577016996, 140.527669838254 39.2164430414868, 140.527848855942 39.2162499698866, 140.527974699084 39.2163755710223, 140.528308890323 39.2166914556962, 140.527929936165 39.2173171817024, 140.528028506721 39.2173586101457, 140.527768610633 39.2180360222524, 140.527725944789 39.218230858301)) ^^http://www.opengis.net/ont/geosparql#wktLiteral