メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.09825069434 39.6735848098279, 140.098203496882 39.673428467758, 140.098085543648 39.6730789721905, 140.097995873226 39.6727545300765, 140.097907622817 39.672463664164, 140.09789201689 39.6724025547765, 140.098539022603 39.6723056729933, 140.098548979024 39.6723628752386, 140.098807772518 39.6733259656354, 140.098851488944 39.673488654492, 140.09825069434 39.6735848098279)) ^^http://www.opengis.net/ont/geosparql#wktLiteral