メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.640678390053 35.3684610613432, 136.638182045062 35.3683001637047, 136.638334951796 35.3667299481796, 136.63834140768 35.366675752302, 136.638440954528 35.3658424002515, 136.638464545435 35.3656448308554, 136.638477234998 35.3655243252087, 136.638522587577 35.3650931931374, 136.638556622697 35.3647698269909, 136.642198575748 35.365007130413, 136.642308228459 35.3650142230171, 136.642222435895 35.3657272906679, 136.64208644051 35.3669464001381, 136.640892283552 35.3668719471644, 136.640678390053 35.3684610613432)) ^^http://www.opengis.net/ont/geosparql#wktLiteral