メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.742838064406 35.3421605560234, 136.74112457653 35.3424484912061, 136.74064796249 35.3412875847567, 136.743250759639 35.3408246567081, 136.74352047352 35.3411099171943, 136.743937775458 35.34156542336, 136.743506305856 35.3416059584997, 136.743618426913 35.3420280716386, 136.743209612594 35.3421077712746, 136.742838064406 35.3421605560234)) ^^http://www.opengis.net/ont/geosparql#wktLiteral