メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.076554921194 39.4438061111573, 141.076427188166 39.4437196805532, 141.076307466089 39.443691712813, 141.076156543857 39.4436637753388, 141.076763121099 39.4423660584463, 141.077726124328 39.4403780015258, 141.078452195035 39.4405397640011, 141.079786650623 39.4421479366561, 141.076554921194 39.4438061111573)) ^^http://www.opengis.net/ont/geosparql#wktLiteral