メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.345349659849 43.0486844818876, 141.346033043699 43.0487211105982, 141.345948538051 43.0493428624681, 141.345943341721 43.0493832611643, 141.34589711945 43.0497619729331, 141.345873501571 43.0499401426881, 141.345850519908 43.0501140981208, 141.345822788776 43.0503241652996, 141.34581643159 43.050371797988, 141.345481300356 43.0503566999814, 141.345458759086 43.0503570141431, 141.345460982353 43.0502775592604, 141.344987154496 43.0502514460501, 141.344977565642 43.0503622099542, 141.344744906502 43.0503500306718, 141.344372965032 43.0503273940031, 141.343996511041 43.0503052128064, 141.34401185323 43.0501815538983, 141.34402990788 43.0500233839776, 141.344031675634 43.0500141148967, 141.344050770492 43.0498503970393, 141.34407524985 43.0496401641672, 141.343909231908 43.0496286514495, 141.343971608588 43.0491890921063, 141.344016985626 43.0488946991988, 141.344062576416 43.0485987613644, 141.344624447389 43.048636194146, 141.345104314112 43.0486681232803, 141.345349659849 43.0486844818876)) ^^http://www.opengis.net/ont/geosparql#wktLiteral