メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.611740236987 35.3564010350816, 136.611944286456 35.3563837929964, 136.61261766239 35.3563431556636, 136.612649836414 35.3566921776523, 136.612692606809 35.3571764599709, 136.611548298919 35.3572228204441, 136.611528290176 35.3568742054594, 136.611466375596 35.3568777235954, 136.611445212295 35.3565784699862, 136.611440395588 35.3564279543212, 136.611432408074 35.3561945355813, 136.61171859801 35.3561831768839, 136.611725644823 35.3561829127381, 136.611740236987 35.3564010350816)) ^^http://www.opengis.net/ont/geosparql#wktLiteral