メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.989417623766 43.5580626129948, 144.988803330217 43.5579283030652, 144.988975907559 43.5577636634388, 144.989265526557 43.5575062793708, 144.988780274756 43.5572322809709, 144.989148422451 43.5568388109926, 144.989954488194 43.5572660017778, 144.989659855813 43.557574841117, 144.989468824778 43.5574604783713, 144.98941193986 43.5574299888675, 144.989101928492 43.557774987067, 144.989178844079 43.5577781354022, 144.989326860168 43.5577925514521, 144.989715472836 43.5580633102287, 144.989564453675 43.5580508649552, 144.989417623766 43.5580626129948)) ^^http://www.opengis.net/ont/geosparql#wktLiteral