メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.801379405394 35.2868623071673, 136.801370704765 35.2873741854138, 136.800340419093 35.2873779651643, 136.79972506251 35.2873801794884, 136.799495238174 35.2873778616748, 136.799306463481 35.2873759505053, 136.799490361865 35.2868691819149, 136.799486299944 35.2867133238962, 136.799478124841 35.2865646358371, 136.799820777102 35.2864972965259, 136.800350680381 35.2864639761204, 136.800643762533 35.2864369070148, 136.801592811449 35.2863713297281, 136.801472795858 35.2865497707808, 136.801407414345 35.2866976015336, 136.801379405394 35.2868623071673)) ^^http://www.opengis.net/ont/geosparql#wktLiteral