メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.740660850672 38.047890970543, 140.741486190153 38.0488203858488, 140.742115587491 38.049516078031, 140.742276519492 38.0496990843179, 140.743052542515 38.0505363759511, 140.743474783608 38.051027479601, 140.743149737202 38.0508425174281, 140.741999407195 38.0503042412408, 140.740680607732 38.0496965531474, 140.739553017145 38.0491992388938, 140.739699539465 38.0494561488769, 140.73962712085 38.049472421431, 140.737585045311 38.0500284023027, 140.737424297688 38.0495835308696, 140.736972824934 38.0484594115512, 140.738851615114 38.0477937770815, 140.740158978046 38.0473216568147, 140.740660850672 38.047890970543)) ^^http://www.opengis.net/ont/geosparql#wktLiteral