メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.261851203126 35.4818981382919, 134.262391127172 35.4821459774901, 134.261535634348 35.4826423035544, 134.261126720715 35.4822339073685, 134.260595766384 35.4825368645524, 134.260131179092 35.4823268424463, 134.259212438539 35.4818869423989, 134.260376851664 35.4812213119421, 134.260839428694 35.4814336549438, 134.261851203126 35.4818981382919)) ^^http://www.opengis.net/ont/geosparql#wktLiteral