メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.793869704575 34.9162860589127, 135.792982331043 34.9162882831486, 135.794149814189 34.9151202232116, 135.79425369927 34.9150856780073, 135.79428715991 34.915168981524, 135.794314857753 34.9153100287366, 135.794074915564 34.915667262121, 135.794072011223 34.9159006608513, 135.794109044093 34.916070317564, 135.794169461491 34.9162574803737, 135.79402892917 34.9162785824116, 135.793869704575 34.9162860589127)) ^^http://www.opengis.net/ont/geosparql#wktLiteral