メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.180062464927 34.7873242712528, 137.17958443133 34.7873919335942, 137.178622472413 34.7875133084056, 137.178538840254 34.7875217679546, 137.178429609554 34.7869958302535, 137.178464354845 34.7868962428109, 137.178525433545 34.7867080557851, 137.178477945772 34.7865131181652, 137.178436936795 34.7862990233767, 137.178341294584 34.7860962022376, 137.178928576986 34.7859721918113, 137.179311008579 34.7859608838685, 137.179939298968 34.7860284263082, 137.1799940385 34.7865918375782, 137.180062464927 34.7873242712528)) ^^http://www.opengis.net/ont/geosparql#wktLiteral