メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.595399868741 34.6827307939146, 135.595380791055 34.6828058090685, 135.595223942633 34.6833181625147, 135.59504797754 34.6838691882137, 135.593618954951 34.6838786625941, 135.592858740457 34.6838841564482, 135.591957199426 34.6838907225874, 135.591968261815 34.6821245094652, 135.592835557558 34.6821341687373, 135.593622757567 34.6821428509591, 135.595544629293 34.6821347294052, 135.595528132245 34.6822136981425, 135.595520741987 34.6822433945346, 135.595399868741 34.6827307939146)) ^^http://www.opengis.net/ont/geosparql#wktLiteral