メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9403699255 35.1028037989075, 136.938810030964 35.1028016804978, 136.93880861803 35.1022472736121, 136.93824756977 35.1022427519263, 136.938254448702 35.1019303488857, 136.938250885466 35.1010603530221, 136.938795124887 35.1010513906688, 136.938799813169 35.1006779239932, 136.939440392266 35.1006913265273, 136.93946004972 35.1007179852179, 136.940232990631 35.1007279741748, 136.940252108044 35.1010706396597, 136.940265572153 35.1013658968834, 136.940367562523 35.1013675684244, 136.9403699255 35.1028037989075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral