メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.312123540916 38.2438627749958, 140.312383453177 38.24504549721, 140.312431607961 38.2452456187039, 140.312677351044 38.2459185117788, 140.313241837222 38.2475060566748, 140.313312355809 38.247686990161, 140.312704460609 38.2477734086204, 140.312167403035 38.2478385994016, 140.312131295134 38.2478456190622, 140.309593407107 38.2482017574893, 140.308895756925 38.2483192912111, 140.308350128586 38.2483896368197, 140.307930663013 38.2464882012811, 140.307796620841 38.2458805721465, 140.307242063601 38.2435239639542, 140.307591295957 38.24355495134, 140.307806617428 38.2435664727445, 140.308532473643 38.2434934156903, 140.309936399541 38.2433069554093, 140.30995377876 38.2433042173155, 140.311274421782 38.2431246915585, 140.311940030498 38.2430440277048, 140.312040263801 38.2435317128144, 140.312123540916 38.2438627749958)) ^^http://www.opengis.net/ont/geosparql#wktLiteral