メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.36863001358 43.745548726609, 142.368983362277 43.7459635365911, 142.366613048846 43.7469852095552, 142.366635933818 43.7468288964209, 142.366963173676 43.746244400513, 142.367231026312 43.7457745880635, 142.367622525469 43.7450928041415, 142.367906592797 43.744593385411, 142.368370762415 43.7447240886537, 142.368772433515 43.7448371697437, 142.369215145589 43.7449618089924, 142.369653574614 43.7450893701255, 142.36863001358 43.745548726609)) ^^http://www.opengis.net/ont/geosparql#wktLiteral