メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.803761006467 35.2939462282984, 136.80387232621 35.2939794500967, 136.80416706736 35.2940811343619, 136.804307238549 35.2941294924007, 136.8043738229 35.2941524646746, 136.804762132598 35.2942864257568, 136.804925206982 35.29434268232, 136.804682191939 35.2948428018799, 136.804453989978 35.295272544802, 136.804110078394 35.2951536238916, 136.803680188809 35.2950683170218, 136.803216922469 35.2949700205358, 136.802990695646 35.2949556069781, 136.802982506705 35.2947892421326, 136.803058081399 35.2943416509945, 136.803209484831 35.2937531591383, 136.803761006467 35.2939462282984)) ^^http://www.opengis.net/ont/geosparql#wktLiteral