メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.328248590335 34.8349493396493, 137.328030577405 34.835294451992, 137.326398442724 34.8345985471583, 137.326270902217 34.8345356071131, 137.326333421683 34.8344488271939, 137.326510382933 34.834466064213, 137.326740257439 34.8341240375237, 137.32703305299 34.8339068016054, 137.327207060492 34.8339715824492, 137.327032651098 34.8342328240122, 137.327993141931 34.834627598015, 137.32788631891 34.8348103634231, 137.328248590335 34.8349493396493)) ^^http://www.opengis.net/ont/geosparql#wktLiteral