メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.338279832044 43.1134888046423, 141.337871988676 43.1136987051426, 141.337331711107 43.1139766057661, 141.336942900476 43.1141779361891, 141.336642693403 43.114334191443, 141.336275577002 43.1145225423003, 141.336067627324 43.1142532186782, 141.335680612845 43.1137542515867, 141.335364089607 43.1133564835683, 141.33584394714 43.1130942822173, 141.336228855619 43.1128839951194, 141.337286249457 43.1123356820782, 141.337804502326 43.1129373118302, 141.338269070782 43.1134764818488, 141.338279832044 43.1134888046423)) ^^http://www.opengis.net/ont/geosparql#wktLiteral