メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.498732702645 40.6101407697035, 140.497831951078 40.6100437276823, 140.496558513372 40.60987614129, 140.496683472444 40.6090969130447, 140.496665885478 40.6090784981327, 140.496777911337 40.6084756260202, 140.496844551039 40.6081974054891, 140.497121381726 40.607636317033, 140.49727360622 40.607204186818, 140.497333711014 40.6069258750458, 140.49736375233 40.6067892534469, 140.49739278705 40.6062026037724, 140.497396392167 40.6054815606489, 140.497392097563 40.6050340572002, 140.497408443941 40.6043727870045, 140.497432487801 40.6034778032538, 140.498149813833 40.6035395635878, 140.499213635335 40.6036149918287, 140.499195649524 40.603783804076, 140.499128305805 40.6042062631491, 140.499073702423 40.6046933492742, 140.499040945456 40.605372019209, 140.498983741663 40.6063812394408, 140.498942198629 40.6075172948648, 140.498874548465 40.6093121284623, 140.498732702645 40.6101407697035)) ^^http://www.opengis.net/ont/geosparql#wktLiteral