メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.33760511119 43.0563864434131, 141.338149853475 43.0564647053044, 141.338577349115 43.0565205087006, 141.338418180054 43.0571327942412, 141.338280940955 43.0576759807373, 141.336731595899 43.0574582550223, 141.336858405709 43.0569208252628, 141.337009883068 43.0563108708446, 141.337337937702 43.056352522937, 141.33747692409 43.0563707218293, 141.33760511119 43.0563864434131)) ^^http://www.opengis.net/ont/geosparql#wktLiteral