メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.378987838244 43.10260292521, 141.379409080512 43.1032126156283, 141.379203854093 43.1033019870119, 141.378980372158 43.1033925550514, 141.378775663628 43.1034588618878, 141.378169193863 43.1036523546081, 141.377615083961 43.1038082674832, 141.377220921804 43.1039138475003, 141.376406481413 43.104111794105, 141.376600955866 43.1034769714579, 141.376823099148 43.1026444628699, 141.37696546304 43.1019816721659, 141.377530662964 43.1020639701508, 141.378040961193 43.1021194040256, 141.378566020398 43.1021831071128, 141.379076090275 43.1022548503292, 141.378987838244 43.10260292521)) ^^http://www.opengis.net/ont/geosparql#wktLiteral