メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.63386158217 42.8324024817409, 141.633922512873 42.8324926252313, 141.634105354636 42.8327628433066, 141.634174653977 42.8328667462716, 141.634617572647 42.8335308207426, 141.634008008236 42.8337500728393, 141.633538285094 42.8339317432859, 141.632799232903 42.8342029695511, 141.632628797292 42.8342749851231, 141.632149117677 42.8344528690304, 141.631556712108 42.8346840859044, 141.630971586746 42.8348797518706, 141.630384999611 42.835082509975, 141.629736861512 42.8353143301719, 141.629674618165 42.8353365693153, 141.628430284251 42.8357937283426, 141.628025562078 42.8351851199515, 141.628777515585 42.8345977784631, 141.628823748376 42.8345615969639, 141.629573685872 42.8339545460976, 141.629608370674 42.8339263193487, 141.630054849193 42.8335761626188, 141.630497959907 42.8332183183882, 141.631021968076 42.8327876246347, 141.631045141373 42.8327684790857, 141.63214289992 42.8318564305624, 141.632520574513 42.8315563205069, 141.633020475723 42.83115903558, 141.633351892084 42.831655965693, 141.633614704419 42.8320374611225, 141.63386158217 42.8324024817409)) ^^http://www.opengis.net/ont/geosparql#wktLiteral