メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.259212438539 35.4818869423989, 134.258743034292 35.4821674997194, 134.257870298305 35.4817245901932, 134.258023256371 35.4813505371946, 134.258402265368 35.4803218498354, 134.258735154851 35.480407082909, 134.25928293788 35.4806455028912, 134.260376851664 35.4812213119421, 134.259212438539 35.4818869423989)) ^^http://www.opengis.net/ont/geosparql#wktLiteral