メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.111229846612 39.2889191564062, 141.111235148182 39.288931248096, 141.111464203955 39.2894550785796, 141.11151477406 39.28963476993, 141.111583740652 39.2898119544401, 141.111725579806 39.2901344330043, 141.112140799836 39.2911462307583, 141.110737853913 39.2913103929963, 141.109859399999 39.2914009460655, 141.109784918176 39.2911052589322, 141.109597889233 39.2904551412756, 141.109443544176 39.2898413299609, 141.109311411208 39.289405307777, 141.10925676755 39.2887597309859, 141.109869360282 39.2887249189968, 141.111056879739 39.2884364330876, 141.111229846612 39.2889191564062)) ^^http://www.opengis.net/ont/geosparql#wktLiteral