メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.113543124313 39.2873453348694, 141.112719041576 39.2875617539323, 141.112133858719 39.287801382241, 141.111241878184 39.2883911612491, 141.111056879739 39.2884364330876, 141.109869360282 39.2887249189968, 141.10925676755 39.2887597309859, 141.10923946398 39.2882526372367, 141.109182585094 39.2878147473961, 141.109070217829 39.2872912703497, 141.110468986956 39.2869665376353, 141.110486109713 39.2869622747102, 141.11131985206 39.2867555601238, 141.112173703948 39.2865681454984, 141.112930565422 39.2863870093166, 141.113610443215 39.2862054211988, 141.114258645812 39.2871465551527, 141.113543124313 39.2873453348694)) ^^http://www.opengis.net/ont/geosparql#wktLiteral