メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.540505686001 33.4730169797408, 130.539751584122 33.4735797547198, 130.539740959948 33.4732746302619, 130.539644021021 33.4728318593384, 130.539534490172 33.4724577238298, 130.540486580926 33.4728377032743, 130.540775957101 33.4724521414353, 130.540893637316 33.4722681892223, 130.541016213973 33.4723999793788, 130.541184261512 33.4725806119474, 130.540505686001 33.4730169797408)) ^^http://www.opengis.net/ont/geosparql#wktLiteral