メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.003398058655 34.990894897521, 135.003685001126 34.990791053821, 135.003682347014 34.990728176399, 135.003772403771 34.9907005648211, 135.004377277945 34.9907820193361, 135.004213053428 34.9913465574362, 135.003986303508 34.992056521485, 135.003600976554 34.9921437248635, 135.003602543223 34.9920053962436, 135.003524001028 34.9920128025319, 135.003522948513 34.9914910817338, 135.003470597349 34.9911951524711, 135.003398058655 34.990894897521)) ^^http://www.opengis.net/ont/geosparql#wktLiteral