メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((128.767623937664 32.6154160226999, 128.76783173325 32.6155782180224, 128.7677860528 32.6155960593843, 128.767715143225 32.6156452122972, 128.76766227613 32.615686826185, 128.767615308188 32.6157400635971, 128.767503622699 32.6158078256684, 128.767380000818 32.6158794988937, 128.767454824527 32.6159939299344, 128.767574368338 32.616157550748, 128.767302818167 32.6163312635599, 128.767397973009 32.6164535621243, 128.766810641697 32.6167732516679, 128.766663030672 32.6165806871118, 128.766723126899 32.6165510575685, 128.766263875372 32.6159352548376, 128.766162646415 32.6157311566051, 128.766034724902 32.6154722661551, 128.767115145022 32.6148218457011, 128.767191606441 32.6149087728746, 128.76758001927 32.6153502089085, 128.767610038902 32.6153951577302, 128.767623937664 32.6154160226999)) ^^http://www.opengis.net/ont/geosparql#wktLiteral