メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.595787211934 34.6812589589675, 135.595544629293 34.6821347294052, 135.593622757567 34.6821428509591, 135.592835557558 34.6821341687373, 135.591968261815 34.6821245094652, 135.591952891859 34.6802889049199, 135.592813139306 34.6802888206955, 135.593595207324 34.6802887530385, 135.594962926396 34.680276257201, 135.595916019223 34.6802675857796, 135.596032102078 34.6802665620963, 135.596067699452 34.6802662571671, 135.595787211934 34.6812589589675)) ^^http://www.opengis.net/ont/geosparql#wktLiteral