メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.879122301663 43.3298430835, 141.879100956444 43.3297730383243, 141.879289557166 43.3297433354596, 141.880356885337 43.3299274477928, 141.882012841286 43.3301595729017, 141.8825533186 43.3302352177463, 141.88307585651 43.3303105219355, 141.883471089919 43.3303641080404, 141.883666925306 43.3303847064558, 141.883647486116 43.330644578515, 141.883641460051 43.3307252257187, 141.883673567098 43.3308846922172, 141.883895728253 43.3317890487306, 141.882993939206 43.3317936280757, 141.879880647205 43.3318206279092, 141.879660564403 43.3310476443443, 141.87958904795 43.3308312248835, 141.879483873563 43.3306798903318, 141.879370843614 43.3305173489528, 141.879288063116 43.3303869045757, 141.879122301663 43.3298430835)) ^^http://www.opengis.net/ont/geosparql#wktLiteral