メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.718271492135 43.1213446571023, 141.716591809542 43.1229373350179, 141.716351841899 43.1230791978188, 141.715822968168 43.1236803718999, 141.715667908397 43.1243548055057, 141.714532284168 43.1255742955645, 141.713187338748 43.1248992677041, 141.711478243953 43.1240203217595, 141.710871766562 43.1236196277417, 141.710639935607 43.123466489794, 141.710280423671 43.1234648020626, 141.709900766182 43.1233024566077, 141.705236491236 43.1208775705134, 141.697499633729 43.1168907404087, 141.699522434276 43.1147857305758, 141.699578599174 43.114726079992, 141.702528593762 43.1115947233622, 141.705445512937 43.1085547852944, 141.709444888059 43.1043261977014, 141.715033070498 43.1071950088508, 141.71912876605 43.1031083396024, 141.724772161079 43.106025485547, 141.723810150394 43.1070413214084, 141.720854918191 43.1101210196129, 141.717915418291 43.1132096766044, 141.714991823429 43.1163012211324, 141.712873581357 43.1185122268146, 141.715106129342 43.1196553644317, 141.717597609124 43.1210036054823, 141.718271492135 43.1213446571023)) ^^http://www.opengis.net/ont/geosparql#wktLiteral