メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.2750000 34.3625000, 129.2812500 34.3625000, 129.2812500 34.3666667, 129.2750000 34.3666667, 129.2750000 34.3625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral