メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.205704951635 34.6959018556997, 135.20540071954 34.6957733225525, 135.204600415222 34.6954364948221, 135.205001950314 34.6946966612317, 135.205165223527 34.6949140991172, 135.205507500474 34.695288012919, 135.205752651499 34.6955071172767, 135.205914837498 34.6956208925561, 135.205704951635 34.6959018556997)) ^^http://www.opengis.net/ont/geosparql#wktLiteral