メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.822487652229 34.7489382686079, 134.823062563431 34.7497647700818, 134.82203014542 34.7504776057857, 134.821322073668 34.7496927677392, 134.821003187731 34.749356409168, 134.820879805566 34.7494214192572, 134.820409990017 34.7488983222196, 134.820873320877 34.748690380003, 134.821178637792 34.7485566018499, 134.821397346444 34.7484589498758, 134.8219657325 34.7482119851091, 134.822160752706 34.7484950317735, 134.822463052011 34.7489049841711, 134.822487652229 34.7489382686079)) ^^http://www.opengis.net/ont/geosparql#wktLiteral