メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.902911454832 35.0952947743001, 136.903936298725 35.0955038505293, 136.90461595774 35.0956424473584, 136.904583873781 35.0958347833986, 136.904364673515 35.096542374675, 136.903502334308 35.0963672492478, 136.901428638101 35.0959419840713, 136.901441955184 35.0960365959877, 136.901158563876 35.0960717501766, 136.900935114878 35.0960858360704, 136.900661753657 35.0961787602415, 136.900880879016 35.0953671575594, 136.901233211386 35.0949524175729, 136.902911454832 35.0952947743001)) ^^http://www.opengis.net/ont/geosparql#wktLiteral