メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.584638770442 43.3313532562771, 145.584097379647 43.3320562773896, 145.583895082663 43.3323094908506, 145.58336465379 43.3329737254223, 145.583118392966 43.3332826464574, 145.581725565654 43.3327083911857, 145.582468427331 43.3317575391039, 145.582667915949 43.331502230383, 145.583261095959 43.3307807592981, 145.584118866756 43.3296986355753, 145.58549453063 43.3302558515962, 145.584638770442 43.3313532562771)) ^^http://www.opengis.net/ont/geosparql#wktLiteral