メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.62353460673 35.3825349961253, 136.62398079791 35.3825224884067, 136.624029880545 35.3825893967285, 136.624197586691 35.3829264087906, 136.624135595243 35.383988715764, 136.624068521397 35.3850264233701, 136.624012981824 35.3861843909376, 136.622915694252 35.38615045819, 136.622006369569 35.3862344706932, 136.622070103695 35.3849356282068, 136.622115618335 35.3839174027442, 136.622197924792 35.3825797001857, 136.62353460673 35.3825349961253)) ^^http://www.opengis.net/ont/geosparql#wktLiteral